Merge pull request #130 from emavro/feature-appstore-server

Breadcrumbs and extensive code cleaning
Added limits for pagination
Merge branch 'feature-appstore-server' of github.com:joomla-projects/joomla-cms into feature-appstore-server
URL helper and bits of pagination
Merge pull request #131 from coolbung/feature-appstore-server

URL helper and bits of pagination