KDScrollThumb: remove logs
KDView: if containment provided in the options, get the object width and height before drag action to prevent function calls while dragging.
ListController: customscrollbars made optional
KDView: Probably a merge conflict fix
ListView: refactoring minor clean-ups
Styles: invisible() function added to kdfn
ListView: boxed list views are almost done WIP
Build: made gulp to not the read files while cleaning for faster build
Merge branch 'master' of github.com:koding/kd into master.listview