RTL: fix position of help icon in filter_horizontal m2m widget

--HG--
extra : rebase_source : a201efaee395d8d3bff8e88799c30830346a9e2b
Provide default styles for RICHTEXT_ALLOWED_STYLES as explicitly required by features in TinyMCE. Closes #690.
SS: Moved to the original
long title : break words on pages tree
Added Jeremie Ferry to AUTHORS.
Merge remote-tracking branch 'upstream/master'
Merge
Tweak approach for setting PIL's MAXBLOCK. Closes #695.
pep8 fix
SS: Changes done to Twitter app to upgrade to API 1.1
1. Added requests==1.2.3 and requests-oauthlib==0.3.2 to the dependency list
2. Added 4 new keys to the settings
3. Changed models to use new authentication for Twitter API, changed urls and other changes to parse the response
use of staticfiles to get url to tinymce
Merge
Added Eduardo S. Klein to AUTHORS.
pep8 fix
Just added my Website to the gallery ;)
Merge
More consistent names and validation of new twitter settings.
Document new requirements for Twitter API.
Merge