Merge pull request #92 from lpotter/master

[connman-qt] parent of QDBusCallWatcher should be this.
bump version to 1.0.47
[libconnman-qt] Initialize isConnected status
Merge pull request #93 from nemomobile/valgrind

[libconnman-qt] Initialize isConnected status
[libconnman-qt] Only emit NetworkService signals when properties change.

Applications rely on the property changed signals only being emitted
when the property value actually changes.
Merge pull request #94 from amccarthy/master

[libconnman-qt] Only emit NetworkService signals when properties change.
[connman-qt] update saved services properties when setting up