Merge pull request #162 from InnovaLangues/master-axel

Master axel
Merge pull request #168 from InnovaLangues/master-axel

Master axel
add generic form handler
little fixes
little fixes
Update form_handlers.yml
fix db upgrade on bundle update
Closes #156
fix bug on list of paths when user is not logged
WIP handle iframed resources
remove migration
fix #163
delete useless file
fix tiny-mce bug with loading hidden iframe
add resource icon to tabs
add btn to reload frame
fix bottom margin on breadcrumb
now resources are opened in new tab
Remove history feature
JJ Design