Caching library (jQuery plugins) added and integrated with app cachingservice.
Tags and categories made removable in addition to selectable. (search page)
Merge branch 'master' of github.com:Joelgullander/Kodapor into HEAD

Conflicts:
	js/controllers/appCtrl.js
	js/controllers/browseCtrl.js
	js/controllers/profileCtrl.js
	js/controllers/showadcontroller.js
	js/services.js
	partials/browse.html
	partials/show_ad.html
	php/rest.php