Update room nudge to indicate the name of the room, send nudge notification to all rooms (not just the active room)
Fix being able to get to negative unread notifications count.  Fixes #1031
Make layout and display nicer for very low resolutions.  Associated niceties and structuring.
Remove just-added room overflow list pull changing for low widths
Fixed name matching regex for mentions

* Original name matching regex only replaced the first
  . character instead of all of them
make login screens behave more nicely at lower resolutions
fix typo in notification class
Add SQL scaleout for signalr
Make sql server backplane changes suck less by using the nightly rather than release version
Improve margin, centering and make text smaller for "drop files here" overlay.  Add responsive style for even smaller text.  Fix top position on overlay when we have the collapsed-height version showing
Merge pull request #1045 from JabbR/smaller-resolution

Make smaller resolution devices behave better
Merge pull request #1048 from JabbR/sql-scaleout

Add SQL scaleout for signalr
Merge pull request #1043 from Buildstarted/dev

Fixed name matching regex for mentions
Merge pull request #1032 from JabbR/fix-notification-count

Fix being able to get to negative unread notifications count.  Fixes #1031
Merge remote-tracking branch 'origin/dev' into improve-nudge
Merge pull request #1025 from JabbR/improve-nudge

Improve room nudge message and behavior.
Updated katana packages to make things work again.
Merge branch 'dev'