Adds colorpicker form widget, add initial form for customizing backend
Minor updates in the back-end UI
Merge branch 'develop' into static-pages-support
Updating app-folder to PSR-2
Updating bootstrap folder to PSR-2
Removing extra blank lines
Updating backend/behaviours
Updating backend/classes
Updating single files in backend
Updating backend/controllers
Updating backend/database
Updating backend/facades
Updating modules/backend/formwidgets
Updating modules/backend/lang
Updating modules/backend/models
Updating modules/backend/skins
Updating modules/backend/traits
Updating modules/backend/widgets
Updating modules/cms/classes
Updating modules/cms/controllers