Added touch feedback for menu list items
Theming

* Green app icon -> green touch feedback
Added basic opening times (not yet in user ui)
Opening times now in ui.
BugFix: Abendmensa double menus
Changelog
Version bump to 1.4.0
Fixed error: "unknown" categories
Old menus get deleted. Some fixes with categories and less verbose logging.
Added note about regular updates
Added note about regular updates
Update README.markdown
Merge branch 'master' of github.com:ironjan/MensaUPB