Refactored MusicListFragment and PVRListFragment to use AbstractTabsFragment
Fixed scrolling in a nested scroll view using espresso
Fixed issue with setting and checking Kodi major version
* Added two abstract methods setSharedPreferences and
configureHostInfo to allow test classes extending
AbstractTestClass to set preferences or change the host info.
* Implemented a mock event server to test event server commands
* Implemented a handler to handle JSON input events over HTTP