updated spanish translation
German translation updated (client)
FEATURE: Warn when reviving a topic that has been inactive for X days. Setting warn_reviving_old_topic_age controls when the warning is shown. Set it to 0 to disable this feature.
Remove an unused variable in check_reviving_old_topic spec
Support for removal of old backups automatically via a site setting
Rename nickname to username in the code. Use new hub routes. (Old routes still exist as aliases for old Discourse instances.)
FEATURE: New site setting to enable a daily automatic backup
FIX: pin/unpin button in topic admin menu needs to ignore whether the admin user cleared the pin
FEATURE: Upload backups to S3 when complete.
Revert "Merge pull request #1896 from nickborromeo/category-list"
Adding name to the list of uneditable items in preferences UI

  * If enable_names,  enable_sso, and sso_overrides_name settings are true.
simplify version number display a bit
mini profiler update
update sass
Merge pull request #2116 from LessonPlanet/disable-name-edit-for-sso

Adding name to the list of uneditable items in preferences UI
some iterative design changes
Merge pull request #2117 from awesomerobot/master

some iterative design changes
Do not call preventDefault on right and middle-click/Ctrl+click.

This should fix the middle click popup blocker issue on Firefox.
Merge pull request #2113 from blang/feat_locale_de

German translation updated (client)
Merge pull request #2098 from nbalonso/spanish-translation

updated spanish translation