Connect pending disconnect only when disconnecting

See merge request mer-core/nemo-qml-plugin-systemsettings!50

When trying to connect and there is an active connection, disconnection
is requested and after disconnected succussfully the new vpn
connection is established.

Jb40595

See merge request mer-core/nemo-qml-plugin-systemsettings!48

Allow only one active vpn at once

See merge request mer-core/nemo-qml-plugin-systemsettings!49

without -x if you have mounted e.g. sdcard or something to a directory
it counts that into the space which is not right.

[disk] Do not follow to other filesystems. Contributes to JB#40595
Signed-off-by: Marko Saukko <marko.saukko@jolla.com>

[disk] Use QStorageInfo. Contributes to JB#40595
Signed-off-by: Marko Saukko <marko.saukko@jolla.com>

Jb41408

See merge request !47

[about] More locations for serial number. Contributes to JB#41408
Signed-off-by: Marko Saukko <marko.saukko@jolla.com>

Signed-off-by: Marko Saukko <marko.saukko@jolla.com>

[nemo-systemsettings] Change PartitionManager to use Udisks2. Contributes to JB#40936

See merge request !46

[developermode] Remove AccountManager references. Contributes to JB#39097

See merge request !45

Remove references to AccountManager as it is not accessible from
this library. This code was already ifdef'd out; the functionality has
moved elsewhere.

Adapt to udisks2

See merge request !42

[developermode] Remove undefined function. Contributes to JB#39097

See merge request !44

[qml-plugin-systemsettings] Disable developer mode account check for now. Contributes to JB#39097

See merge request !43

Cannot use sailfishaccounts on nemo side. Need to figure out better
ways before getting into release level.

[developermode] Use PackageKit directly to install developer mode packages. Contributes to JB#39097

See merge request !30

[nemo-systemsettings] With Udisks2 external device mounting changes under /run. Contributes to JB#39820

This also cleans up hardcoded "nemo" user name.

The progress is updated by PackageKit per-status, but we want
DeveloperModeSettings to update the progress as a total value
across the whole install/remove operation, not whenever any
progress is updated for any status during the operation.

[developermode] Always resolve the developer-mode package before doing an install/remove. Contributes to JB#39097

Otherwise, the install/remove finishes prematurely before packages
are actually downloaded/removed, even if the package ID was
resolved previously.

This value refers to the first known account provider that provides a
service of the "developermode" type.

[vpn] Store VPN types in generic strings instead of hard-coded enums. Contributes to JB#40883

See merge request !40

This will indicate whether the jolla-developer-mode package is
available from a configured repository.

Provide OS name from os-release

See merge request !39