allowed change of language upon editing the question
made dropdown language navigation
Fixed a settings manipulation that was breaking other tests.

The manipulation of ASKBOT_EXTRA_SKINS was breaking widget_tests and
post_model_tests when running the full askbot test suite.
added hashtag option to the social sharing tools
Merge pull request #108 from rodelrod/fix-skin-tests

Fixed a settings manipulation that was breaking other tests.
fixed a bug in the content moderation
fixed some bugs in the UI of tags moderation
Merge branch 'master' of github.com:ASKBOT/askbot-devel
Merge branch 'master' into admin_issue