section folding rework

git-svn-id: https://dev.camptocamp.org/svn/c2corg@5694 5b3c568a-86f9-4a59-a47a-7be284f604b4
jshint

git-svn-id: https://dev.camptocamp.org/svn/c2corg@5695 5b3c568a-86f9-4a59-a47a-7be284f604b4
Merge remote-tracking branch 'origin/master' into jquery