added frage to Item
added ManyToMany relation to frage <-> fragebogen
added export fragebogen experimentel...
added missing files
added fragebogen export
added import for bewertungen
fix build error
language only de and en
expand question fileds to 1024 chars
fixed addFragebogen/Vorlage/frage
AddItem & EditItem Frage added, Refactoring, Modular GUI
fix import und export issues, added risizeable gui for a cuble of scenes
Merge remote-tracking branch 'origin/develop' into develop
fix string escap for XML
moved splash screem to gridpanel
added entitie CustomFrage.java for postion between Fragebogen.java and
Frage.java
Changed to Gridpane (except addFragebogen), Refactoring
addFragebogen -> Gridpanes + Tabpane
Exported Item not editable
addFragebogen Gui resized, titles
added fragen pflegen