Added first version of sparkle updater and corresponding deployment
Increase version to 0.0.1 for testing.
Adds menu action for updating. Fixes updates. Updates should work in master now.
Merge pull request #17 from lbproductions/library-management

Punkte 1 und 2 schonmal erledigt.
Merge branch 'refs/heads/master' into sparkle-updater

Conflicts:
	src/local_dbconfig.h
	src/main.cpp
	src/src.pro
	src/ui/game/gamewindow.cpp
	src/ui/game/gamewindow.ui
Fix: Opening a  MainWindow crashed because of my assertion in MenuBar
Improve Player library performance by caching some crucial properties. Fix some relations.
Merge branch 'refs/heads/master' into library-management

Conflicts:
	src/main.cpp
	src/src.pro
Allow opening of other libraries.