Adding name to the list of uneditable items in preferences UI

  * If enable_names,  enable_sso, and sso_overrides_name settings are true.
  * Added serialization of can_edit_name so the UI has access to the right.
adding tiger striping to suggested topics
Merge pull request #2120 from awesomerobot/master

adding tiger striping to suggested topics
improve new version emails
Make Discourse.ShareLink easy for plugins

For example, this javascript code, if added by a plugin, would enable a Tumblr share link:

Discourse.ShareLink.addTarget('tumblr', {
  iconClass: 'fa-tumblr',
  generateUrl: function(link, title) {
    return ("http://www.tumblr.com/share/link?url=" + encodeURIComponent(link) + "&description=" + encodeURIComponent(title));
  },
  shouldOpenInPopup: true
});
FIX: don't try to create category description topic if it already exists
BUGFIX: only wait for jobs of the current_site when backing up
FEATURE: minimize duration of read-only mode when backing up
French Translation

Big update translation from Transifex

Changelog:
- topic = sujet
- Uniformisation des termes
Merge pull request #2124 from Onaldanm/french-translation

French Translation
Initial badge system implementation.
BUGFIX: revision numbers were unbound in revision history UI
Support for a daily job at a certain hour. Convert backup job to run at
3am instead of randomly during the day.
remove login-specific info
Update INSTALL-digital-ocean.md
omit needless words from welcome email header
improve the admin quick start guide a bit more
fix bad link
Mark failing spec as pending for Robin to investigate
FIX: ORDER BY for new topics within current category was second in list, needs to be first