clearfix fix

removes empty clear fix div and clearfixes preceding parent div instead.
Added offset variable to gmail authentication plugin
Update popup-imagemanager.css

update popup-imagemanager.css for the following tracker:
http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=30947

PS: is there are some less files there must be updatet to?
HTML 5 Code style fix
Code style
[#30771] Extension Manager Check Database doesn't handle SQL queries with leading comments.
[#30867] More ':' than we need at Mass Mail
[#30880] Article Count at beez3
Merge pull request #1093 from nternetinspired/com-languages

clearfix fix
[#30754] Wrong display of the Debug Console (404 Error)
[#30658] Adds WAI-ARIA Landmark Roles to Protostar (Fix #1037)
[#30918] Code duplication removal for saveOrderAjax (Fix #1134)
[#30814] Undefind line at isis cpanel
Merge pull request #1141 from janich/master

Fix gmail auth plugin with missing variable
[#30777] Removes html elements used in the wrong context (Fix #1079)
Reordering the where clause in similar tags

Reordering the where clause so m.tag_id is before t.access. Should be a bit better performancewise.
[#30695] Duplicate <div class=control-group> for tags field
Merge remote-tracking branch 'upstream/master'
[#30500] Show / Hide Filter Field not working in tags layouts
[#30906] *Batch usage needs strict permissions