Merge pull request #52 from pmelchior/master

Update the stable branch for relaunch
create proper label for mask dot problem (despite being outdated)
added release switch
added release to requests from client
backend support for release
Merge branch 'master' of github.com:pmelchior/des-exp-checker
reverted file permission to 644
first stab at #50
closes #50 by means of div instead of area
closes #53
added missing submission when switching ccds
fixed bug that prevented spinner from showing
first stab at #54, but no optimal ordering yet
closes #54
documented database and config strcuture
outsourced submission table;closes #48 once new release is available
improved toggle between releases
fixes #56
re-organized sql files
fixed issues from new submission table (related to #48)