Bugfix for checkuser.xql.
Minor Code cleanup in sharing.xqm.
Added xquery 3.0 definition in retreive-vra.xql
added style class for images in thumbnail-generators in session.xql
bugfixes and inserting missing functions from testserver-instance
Bugfixes in Frameworking
Merge pull request #21 from ChiSamurai/master

some bugfixes after merging 1.2.1.1 to stable trunk