implemented basic paging for all assets
replaced ajaxLoader

old one had ugly borders
refactored types of different view contexts in dashboard
added paging for lighbtox and category
implemented PagerDataService
Filter Qurantined state by new db field categoryCount
php-cs-fixer
refactored search controller to use pagerfanta
paginate detail search
rm unneeded code
uncomment code block
Merge branch 'feature-paging' into development