Released new version 1.4.4

1.4.4: Corrected two bugs: the focus remains correctly on the selected
application after changing the volume; cap lock does not prevent
anymore the volume to be changed.
Released new version 1.4.4
1.4.5: Added the option to enable/disable automatic updates occurring once a week
Added screenshot
Added screenshot into the readme
Merge branch 'master' of https://github.com/alberti42/iTunes-Volume-Control

Conflicts:
	iTunes Volume Control/AppDelegate.h
	iTunes Volume Control/AppDelegate.m
	iTunes Volume Control/en.lproj/MainMenu.xib