Fix active sub-menus which didn't disappear when hover changes

Signed-off-by: Martin Koistinen <mkoistinen@gmail.com>
awesome sauce
Updated Twitter plugin docs.

With links to possible alternate plugins from release notes.
Merge pull request #2559 from dteklavya/patch-1

Updated Twitter plugin docs.
migrations added
Update tests

Conflicts:
	cms/plugin_pool.py
Add dummy one_thing app to fix tests
Merge pull request #2557 from mkoistinen/toolbar-js-fix

Fix active sub-menus which didn't disappear when hover changes
Merge branch 'develop' of https://github.com/divio/django-cms into toolbar-submenu-alpha-util
Blindly patch all non-abstract CMSPlugin subclasses
Use django connection introspection to check for existing table names
Add tests for publishing / moderator commands
Patch plugin models on Page.publish() too
Fix tests
Merge pull request #4 from yakky/plugin_try_2

Plugin try 2
docs
cleanup
deprecation warning changed
Merge pull request #2558 from digi604/plugin_db

removes the plugin DB magic
fixes a message