Extended the installer to explicitly delete the extension folder of the VS 2013 extension after it was uninstalled, since the remaining folder cause future invocations of the installer to consider the extension installed (see issue https://github.com/Starcounter/Starcounter/issues/1538).
Added "Edition" to the Version handling (UsageTracker)

Fixed minor fault when doing a versioncheck from the Administrator
Refactored some API in the UsageTracker and in the Administrator.
Removed unused image resource
Moved documentation back to Level1.
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into develop
Added margin to logo.png and powered by images
Added information notice when there is no versions available for download
Merge branch 'develop' of github.com:Starcounter/Starcounter into develop
Added Polyjuice and Zoon edition resources
Added polyjuice logo
Corrected an faulty SQL query.
Added  documentation link on the download page

Removed unused api handler
Added IsCahced and Forget on X.
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into develop