Added a helper method for getting the app delegate
Added a helper method for gettings the documents directory
complete german translation
Fixed init so username/password menu items work again
Added missing file headers
Merge pull request #254 from flashspys/master

complete german translation
Refactored out images from the app delegate
(de-DE) Manually merged translation updates, thanks @flashspys
Merge branch 'master' of https://github.com/MiniKeePass/MiniKeePass