apps changed to jedapps + category menu improvements
Merge pull request #139 from emavro/feature-appstore-server

apps changed to jedapps + category menu improvements
Replaced ajax get with proper ajax request
Merge pull request #141 from emavro/feature-appstore-server

Replaced ajax get with proper ajax request
Minor bug corrections
Merge pull request #144 from emavro/feature-appstore-server

Minor bug corrections
Server changes for register/purchase type extensions
Merge branch 'feature-appstore-server' of github.com:joomla-projects/joomla-cms into feature-appstore-server