PIMCORE-1879 - Reload after plugin uninstall

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2485 1f8fe7d8-47f0-464c-8d0a-336f4953ab05
PIMCORE-1878 - Disabling versions doesn't work

git-svn-id: http://www.pimcore.org/svn/pimcore/private/core/trunk@2486 1f8fe7d8-47f0-464c-8d0a-336f4953ab05