[lipstick] Add connection selector.

Connection selector allows the user to choose a connection when none
is available.

It needs an appropriate qml file, and a patch to connman's dnsproxy that
sends a signal when there is no connection available, and one
is requested.
[lipstick] Allow lipstick to be built on both Qt4 and Qt5
Add Qt5 build dependencies
Add Qt5 build dependencies
Use the Qt5 version of lipstick in the plugin as well when compiling on Qt5
Add Qt5 build dependencies
Qt5 build fix
Exclude debug files on Qt5
Bump version
Build fixes with qmsystem2-qt5
[lipstick] Use libresourceqt5 on Qt5
Fix the lipstick Qml plugin on Qt5
[lipstick] Support only Qt5
Re-enable some commented out parts
Rework packaging on Qt5
Bump version
Change Qt5SystemInfo pkgconfig name to match the new name
Require Qt5Gui
Use qmake5 on Qt5
Remove contextsubscriber dependency from the battery unit test since it doesn't need it