[docs] Fix building documentation with Qt 5.6. Contribute to JB#37839

Issues fixed:

- Error loading index page
    - Split out documentation for the QML module so that the index page
      is named "index.html".
- Examples page not listed in the TOC
    - Before it was automatically listed in the TOC. Fix this by adding
      a QHP subproject of type manual. This way also the next issue is
      fixed.
- Examples page not reachable where TOC is not available
    - Link the examples page from the index page.
- QML types not listed in TOC
    - Before these were automatically listed in the TOC. Add a QHP
      subproject to list them under.

doc/nemo-qml-plugin-dbus.qdocconf

@@ -16,6 +16,14 @@ qhp.NemoQmlPluginDBus.indexRoot =
 
 qhp.NemoQmlPluginDBus.filterAttributes = nemo-qml-plugin-dbus 2.0
 
+qhp.NemoQmlPluginDBus.subprojects = manual qmltypes
+qhp.NemoQmlPluginDBus.subprojects.manual.type = manual
+qhp.NemoQmlPluginDBus.subprojects.manual.indexTitle = Nemo QML Plugin D-Bus
+qhp.NemoQmlPluginDBus.subprojects.qmltypes.title = QML Types
+qhp.NemoQmlPluginDBus.subprojects.qmltypes.indexTitle = Nemo.DBus QML Types
+qhp.NemoQmlPluginDBus.subprojects.qmltypes.selectors = qmlclass
+qhp.NemoQmlPluginDBus.subprojects.qmltypes.sortPages = true
+
 HTML.footer += \
     "<div class=\"footer\">\n" \
     "  <p><acronym title=\"Copyright\">&copy;</acronym> 2015 Jolla OY</p>\n" \

doc/src/examples.qdoc

@@ -1,6 +1,6 @@
 /*!
 \title Examples
-\page examples.html examples
+\page examples.html example
 
 There are a number of examples which demonstrate how to use various aspects of the API.
 

doc/src/index.qdoc

@@ -1,6 +1,13 @@
 /*!
 \qmlmodule Nemo.DBus 2.0
-\contentspage
+\title Nemo.DBus QML Types
+
+This module includes the following types:
+
+*/
+
+/*!
+\page index.html
 \title Nemo QML Plugin D-Bus
 \brief Provides types to access D-Bus from QML
 
@@ -27,4 +34,14 @@ on demand when their services are needed. (from the
 
 This module includes the following types:
 
+\generatelist{qmltypesbymodule Nemo.DBus}
+
+\section2 Further Reading
+
+\list
+
+  \li \l{Examples}
+
+\endlist
+
 */