Added select all button
Merge pull request #26 from L-Henke/selectAll

Added select all button
Upgrade API to 5.0, with changes to make app run.
(UI still needs slight modification)
Fix Iab-related crash in 5.0
(Explicit Intent Required)
Update ActionBar title according to new API
Fix crash when changing to gallery
Styling dialogs accord Material specs
Remove fake actionbar in updatemanager
Moar materialllss
Merging with new encryption engine