Fix #3113 Added a contextual message to make tooltip actions more obvious when hovering the colored bullet in the language column of the page tree
Merge pull request #3114 from johnraz/Issue3113-tootltip-actions-more-obvious

Fix #3113 Added a contextual message to make tooltip actions more obviou...
Update authors
Update translations
Add information to changelog
version bump to 3.0.1 (release)
Update AUTHORS
Merge branch 'release/3.0.1' of https://github.com/yakky/django-cms into release/3.0.1
version bump post release
Fix #3117 - added a (basic) navigation bar in the sideframe
Use custom made localstorage history instead of the browser window/iframe history.

The later being very untrustable accross browsers / devices.