Refactoring: Introduced service connected fragments which encapsulate
service binding.
Merge branch 'newVersion' of https://github.com/inovex/zax into newVersion
Selected host group is preserved during orientation change.
Introduced new base class for activities with host group spinner menus.
Temporary: Disabled custom landscape layout for events.
Merge branch 'newVersion' of https://github.com/inovex/zax into newVersion
Events: Fixed problems with orientation (configuration) changes
(finally...).