Fix some qdoc warnings

\o deprecated in favor of \li, \returns doesn't exist.

doc/src/index.qdoc

@@ -63,10 +63,10 @@ share functionality implementation depends on the client e.g. if it's HW specifi
 such as Facebook. Each plugin must implement or use the following interface:
 
 \list
-    \o \l {TransferPluginInterface} Share plugin must implement this interface
-    \o \l {MediaTransferInterface} Share plugin must implement this interface
-    \o \l {TransferPluginInfo} Share plugin must provide information about plugin using this class
-    \o \l {TransferMethodInfo} Share plugin must provide information about e.g. accounts using this class
+    \li \l {TransferPluginInterface} Share plugin must implement this interface
+    \li \l {MediaTransferInterface} Share plugin must implement this interface
+    \li \l {TransferPluginInfo} Share plugin must provide information about plugin using this class
+    \li \l {TransferMethodInfo} Share plugin must provide information about e.g. accounts using this class
 \endlist
 
 \section3 Client API
@@ -77,14 +77,14 @@ example Transfer UI and client side sharing interface on top of it. The Transfer
 be used by clients who want to inform Nemo Transfer Engine of ongoing Sync or Downloads.
 
 \list
-    \o DBus API - see org.nemomobile.transferengine.xml. For the client side it will generate TransferEngineInterface
+    \li DBus API - see org.nemomobile.transferengine.xml. For the client side it will generate TransferEngineInterface
     class which can be used directly.
-    \o TransferEngineClient - The convenience API to create Sync and Download events.
+    \li TransferEngineClient - The convenience API to create Sync and Download events.
 \endlist
 
 \section3 Reference
 \list
-    \o \l {Nemo Transfer Engine Reference}
+    \li \l {Nemo Transfer Engine Reference}
 \endlist
 
 */

doc/src/mediaplugininterface.qdoc

@@ -41,9 +41,9 @@
     TransferEngine supports C++ share plugins. Each share plugin must implement couple of well defined interfaces:
 
     \list
-        \o \l TransferPluginInterface Provides interfaces to access required objects to start sharing.
-        \o \l MediaTransferInterface  Implements the actual sharing functionality
-        \o \l TransferPluginInfo      Provides information about plugin status such as is it ready.
+        \li \l TransferPluginInterface Provides interfaces to access required objects to start sharing.
+        \li \l MediaTransferInterface  Implements the actual sharing functionality
+        \li \l TransferPluginInfo      Provides information about plugin status such as is it ready.
     \endlist
 
     TransferPluginInterface provides information to the TransferEngine via this interface.

lib/imageoperation.cpp

@@ -38,9 +38,9 @@
 
     This class is meant to be used by share plugins. It can be used for:
     \list
-        \o Removing image metadata
-        \o Scaling image
-        \o Create a temp files from the image paths
+        \li Removing image metadata
+        \li Scaling image
+        \li Create a temp files from the image paths
     \endlist
 */
 

lib/mediatransferinterface.cpp

@@ -60,10 +60,10 @@ public:
     each share plugin. The subclass of this class is resposible of providing:
 
     \list
-        \o Status information of the sharing
-        \o Progress of the sharing
-        \o Information, if cancel and restart actions are supported
-        \o Starting and/or canceling the sharing
+        \li Status information of the sharing
+        \li Progress of the sharing
+        \li Information, if cancel and restart actions are supported
+        \li Starting and/or canceling the sharing
     \endlist
 
 

lib/transferengineclient.cpp

@@ -78,11 +78,11 @@ CallbackInterface::CallbackInterface()
     Construct CallbackInterface instance to provide callback information to the TransferEngineClient. Setup
     arguments as:
     \list
-        \o \a server  e.g. "com.jolla.myapp"
-        \o \a path   e.g. "/com/jolla/myapp"
-        \o \a interface  e.g. "com.jolla.myapp"
-        \o \a cancelMethod   Cancel method name e.g. "cancelSync"
-        \o \a restartMethod Restart method name e.g. "restartSync"
+        \li \a server  e.g. "com.jolla.myapp"
+        \li \a path   e.g. "/com/jolla/myapp"
+        \li \a interface  e.g. "com.jolla.myapp"
+        \li \a cancelMethod   Cancel method name e.g. "cancelSync"
+        \li \a restartMethod Restart method name e.g. "restartSync"
     \endlist
  */
 CallbackInterface::CallbackInterface(const QString &server, const QString &path, const QString &interface,
@@ -222,9 +222,9 @@ TransferEngineClient::~TransferEngineClient()
     Create a download event to the TransferEngine. This only creates and entry, and client
     needs still call:
     \list
-        \o \l TransferEngineClient::startTransfer()
-        \o \l TransferEngineClient::updateTransferProgress()
-        \o \l TransferEngineClient::finishTransfer()
+        \li \l TransferEngineClient::startTransfer()
+        \li \l TransferEngineClient::updateTransferProgress()
+        \li \l TransferEngineClient::finishTransfer()
     \endlist
 
     \sa createSyncEvent(), startTransfer(), updateTransferProgress(), finishTransfer()
@@ -325,9 +325,9 @@ void TransferEngineClient::updateTransferProgress(int transferId, qreal progress
     Finalize the transfer with \a transferId. There are three options for finalizing the transfer by setting
     the \a status parameter value:
     \list
-        \o \l TransferEngineClient::TransferFinished - success
-        \o \l TransferEngineClient::TransferCanceled - user cancelation
-        \o \l TransferEngineClient::TransferInterrupted - an error
+        \li \l TransferEngineClient::TransferFinished - success
+        \li \l TransferEngineClient::TransferCanceled - user cancelation
+        \li \l TransferEngineClient::TransferInterrupted - an error
     \endlist
 
     If the client wants to provide reason for finishing the transfer, it's possible to provide \a reason
@@ -388,7 +388,7 @@ void TransferEngineClient::enableNotifications(bool enable)
 /*!
     Private method for QML interface.
 
-    \returns true if notifications are enabled, otherwise false is returned.
+    Returns true if notifications are enabled, otherwise false is returned.
  */
 bool TransferEngineClient::notificationsEnabled() const
 {

src/dbmanager.cpp

@@ -277,11 +277,11 @@ DbManager::~DbManager()
 
     In a case there is a DBus callback, then QStringList contains the following items:
     \list
-        \o service
-        \o path
-        \o interface
-        \o cancel method name
-        \o restart method name
+        \li service
+        \li path
+        \li interface
+        \li cancel method name
+        \li restart method name
     \endlist
  */
 QStringList DbManager::callback(int key) const
@@ -349,11 +349,11 @@ int DbManager::createMetadataEntry(int key, const QString &title, const QString
 
     The callback is a dbus interface so it must contain the following attributes:
     \list
-        \o \a service e.g. com.jolla.myapp
-        \o \a path e.g. /com/jolla/myapp
-        \o \a interface e.g. com.jolla.myapp
-        \o \a cancelMethod The name of the cancel method
-        \o \a restartMethod The name of the restart method
+        \li \a service e.g. com.jolla.myapp
+        \li \a path e.g. /com/jolla/myapp
+        \li \a interface e.g. com.jolla.myapp
+        \li \a cancelMethod The name of the cancel method
+        \li \a restartMethod The name of the restart method
     \endlist
 
     This method returns a key of the created callback record in a callback table or -1 on

src/transferengine.cpp

@@ -717,9 +717,9 @@ void TransferEnginePrivate::callbackCall(int transferId, CallbackMethodType meth
 
     TransferEngine is the central place for:
     \list
-        \o Sharing - Provides requires plugin interfaces for share plugins
-        \o Downloads - Provides an API to create Download entries
-        \o Syncs - Provides an API to create Sync entries
+        \li Sharing - Provides requires plugin interfaces for share plugins
+        \li Downloads - Provides an API to create Download entries
+        \li Syncs - Provides an API to create Sync entries
     \endlist
 
     For Downloads and Syncs, the Transfer Engine acts only a place to keep track of these operations.
@@ -827,10 +827,10 @@ TransferEngine::~TransferEngine()
 
     TransferEngine handles the following user defined data automatically and stores them to the database:
     \list
-        \o "title" Title for the media
-        \o "description" Description for the media
-        \o "accountId" The ID of the account which is used for sharing. See qt-accounts for more details.
-        \o "scalePercent" The scale percent e.g. downscale image to 50% from original before uploading.
+        \li "title" Title for the media
+        \li "description" Description for the media
+        \li "accountId" The ID of the account which is used for sharing. See qt-accounts for more details.
+        \li "scalePercent" The scale percent e.g. downscale image to 50% from original before uploading.
     \endlist
 
     In practice this method instantiates a share plugin with \a serviceId and passes a MediaItem instance filled
@@ -912,15 +912,15 @@ int TransferEngine::uploadMediaItemContent(const QVariantMap &content,
     of type 'Download'.
 
     \list
-        \o \a displayName  The name for Download which may be used by the UI displaying the download
-        \o \a applicationIcon The application icon of the application created the download
-        \o \a serviceIcon The service icon, which provides the file to be downloaded
-        \o \a filePath The filePath e.g. url to the file to be downloaded
-        \o \a mimeType the MimeType of the file to be downloaded
-        \o \a expectedFileSize The file size of the file to be downloaded
-        \o \a callback QStringList containing DBus callback information such as: service, path and interface
-        \o \a cancelMethod The name of the cancel callback method, which DBus callback provides
-        \o \a restartMethod The name of the restart callback method, which DBus callback provides
+        \li \a displayName  The name for Download which may be used by the UI displaying the download
+        \li \a applicationIcon The application icon of the application created the download
+        \li \a serviceIcon The service icon, which provides the file to be downloaded
+        \li \a filePath The filePath e.g. url to the file to be downloaded
+        \li \a mimeType the MimeType of the file to be downloaded
+        \li \a expectedFileSize The file size of the file to be downloaded
+        \li \a callback QStringList containing DBus callback information such as: service, path and interface
+        \li \a cancelMethod The name of the cancel callback method, which DBus callback provides
+        \li \a restartMethod The name of the restart callback method, which DBus callback provides
     \endlist
 
     This method returns the transfer id of the created Download transfer. Note that this method only
@@ -972,12 +972,12 @@ int TransferEngine::createDownload(const QString &displayName,
     of type 'Download'.
 
     \list
-        \o \a displayName  The name for download which may be used by the UI displaying the download
-        \o \a applicationIcon The application icon of the application created the download
-        \o \a serviceIcon The service icon, which provides the file to be downloaded
-        \o \a callback QStringList containing DBus callback information such as: service, path and interface
-        \o \a cancelMethod The name of the cancel callback method, which DBus callback provides
-        \o \a restartMethod The name of the restart callback method, which DBus callback provides
+        \li \a displayName  The name for download which may be used by the UI displaying the download
+        \li \a applicationIcon The application icon of the application created the download
+        \li \a serviceIcon The service icon, which provides the file to be downloaded
+        \li \a callback QStringList containing DBus callback information such as: service, path and interface
+        \li \a cancelMethod The name of the cancel callback method, which DBus callback provides
+        \li \a restartMethod The name of the restart callback method, which DBus callback provides
     \endlist
 
     This method returns the transfer id of the created Download transfer. Note that this method only