refactored item creation service
split angularjs app into multiple files
use default step properties
fix scope bug
progess sidebar reacts to service updates
step general of item creation
move shop categories select list into the model
music genres js model
music genre controller with auth filter
code reformat
api endpoint for music genre creation
allow search in music genres
start with project file info form
music program api controller
music plugin api controller
js model classes for plugins ans programs
music plugin and program input fields
bugfixes in the client side step system