Fix LoginButton widget serialization
Added error handling in io failure
Fix serializtion-test.js
Fix issue in wegas-template.js
Fix tabview positionning issue
Fix flexitests serialization test.js
Fix ComboController return order
Fix issue in Number history, was not resetted properly
Fix issue in muscula tracker, there were no namespace
Fix wegas-datasource.js get for VariableInstances
Create /GuestLogin/ rest method
Fix rights issue in game controller
Add guest login button on login page
Fix #223 Login - Layout issue in firefox
Add help button to editor menu
Merge branch 'HEAD' of git@github.com:Heigvd/Wegas.git

Conflicts:
	wegas-app/src/main/webapp/wegas-flexitests/db/wegas-flexitests-pages.json
	wegas-app/src/main/webapp/wegas-pmg/db/wegas-pmg-pages.json