Merge pull request #826 from oliverds/master

#790 (Ajax load others), #735 (Admin restyling) and #786 (Keep values on publish new)
closes #771
closes #814
closes #814
versions, beta release
versions and error on install
closes #754
sidebar collapse improvement #735
fixes #797 oc-panel stats not loading
Merge remote-tracking branch 'upstream/master'