Fix menu mess

*Fix #830
PMG client script, wysiwyg delayed impact
Themes available only in "advanced mode"

Fix #853
Add comments to gameModel

Fix #837
PMG: add BAC sum to tasks (planning)

Fix #828
Result : edit after create

#653: partial done
fix #862
fix #857
Once deployed, simply destroy the private/AdvancementLimit to enable the new behaviour
#868 partiel
Update PMG DB (initialValues trigger)
Merge remote-tracking branch 'origin/master' into glassfish4