[docs] moving resources to separate folder, updating refs
[docs] Updated plugin reference according to https://github.com/divio/django-cms/pull/2581
[docs] new installation subdirectory + overview
[docs] add configuration and setup instructions to installation
[docs] Add reference to the new tutorial
[docs] moved parts of the old tutorial to the integrate part
removed old tutorial
adds firefox fixes
disallow plugins within disabled items
[docs] updated index, added tutorial reference
fixes an issue with undo
fix #2744
Add test for toolbar_pool.toolbars sort order
Use SortedDict to keep insert order in python 3
[docs] extended i18n page language detection
[docs] add nested plugin section
[docs] nested plugins: small changes in wording
jslint fix
add a small style fix using js
fix line height and arrow issues on firefox
fixes for safari