CRAFTERCMS-423: add plugin for multi-variant testing
CRAFTERCMS-584: login button should be blue/navy but is green
CRAFTERCMS-581: re-order page not working
CRAFTERCMS-422: Search relevance, show should be right justified
CRAFTERCMS-579: copyright is wong on studio login screen (footer)
Merge pull request #176 from quiaro/master

Bug fixes for 2.4.0