Readability & whitespace

* Mostly whitespace changes
* Move one long message into a variable before putting it into an object
More whitespace cleanup.
Better badge instance deletion test.
Fix milestoneBadges->milestones table relationship
Adding webhook call when badge is deleted
Implement Milestones.findAndAward()
Whitespace
Milestone badges triggered from badge issuing.
Merge pull request #111 from mozilla/delete-instance-hook

Adding webhook call when badge is deleted
Merge pull request #112 from mozilla/95-milestone-auto-awarding

Milestone auto awarding [closes #95]
First pass at pagination
Paginating streamsql queries, adding tests
updating streamsql version