Updated Arabic translation
Added circular progress bar for when filter is preocessing
Added stats for filters : visible/total
Fixed icon_edit attr
Moved 'category' out of the collapsible filters
Moved clickable image filters to checkboxes
Linked checkboxes into filter's implementation
Fixed filter bug by keeping sys app in the app list when the activity starts
Added icon for 'restricted' filter + small layout fix + fixed NPE
Removed 'category' from the filter counter
New card-like UI
Added dividers
Empty space reduced
New strings for filters
New strings for other languages
Updated French translation
Fixed background misplaced when app list is almost empty
Merge pull request #565 from waleedhassan/patch-1

Updated Arabic translation
Merge pull request #567 from lklun/master

Updated Swedish translation
Updated Italian translation