Update .gitignore

ignore config/discourse.pill
Add '+' and '-' support to the autocomplete plugin
Merge pull request #751 from PabloC/master

Ignoring config/discourse.pill
Merge pull request #752 from ZogStriP/add-autocomplete-support-for-plus-and-minus

Add '+' and '-' support to the autocomplete plugin
speed up tests
a few more ignores per @miketheman
undo stuff I should not have committed
speed up tests
add the ability to find the first notify private message
fix regression
Add a dashboard warning when sidekiq queue has more than 100 jobs
Show a warning if there are email jobs in the retry queue
Merge remote-tracking branch 'upstream/master'