remove useless and troublesome zip extension verfication
refactored interactionToolbar.create() by adding individual add() function + fixed subGroup issue
renamed private create() function
Removed references to measurements and scales
added functions getAll() and getOne() to ciRegistry + cleanup
Merge branch 'dev'
moved interaciton sidebar styles into its scss + added styles for dev mode interaction
added item rdf label to config data
Merge branch 'dev'
replace icons
replace icons
integration item editor
Merge branch 'new-design-rebase' into new-design

Conflicts:
	views/css/item-creator.css
	views/css/qti.css
	views/scss/item-creator.scss
integration item editor
moved back bautton to uiform