No more reboot on first try

Not sure if removing omnibus is a good idea though.
Update client.zh_TW.yml
Don't send more pm's after a user has been blocked from making posts. This can happen if a staff member flags posts that are already hidden.
Merge pull request #1269 from kewubenduben/master

No more reboot on first try
Easier to group bindings. Perf improvements.
Add site setting delete_removed_posts_after to configure after how many hour posts that were deleted by their authors will be deleted
Fixes to {{#groupedEach}}
set min-width on post unread counts
Merge pull request #1287 from charlieshum/master

Update client.zh_TW.yml
add "post last edited at" to edit tooltip
Configured to run on shelly
Merge branch 'safe_caching' into shelly
fix: git-version isn't showing up
Merge pull request #1289 from ZogStriP/fix-git-version

fix: git-version isn't showing up
FIX: Can edit 1st posts that have no categories
Remove users column from Top Traffic Sources table on dashboard. It's not useful and very expensive to calculate.
Dashboard calculations are done with an async job now
FIX: If an error occurs loading posts, revert state correctly
FIX: Allow `Discourse.Session.current()` API to update to 0
add better copy for username changes