Use term "webhook" consistently
Pretty sure nothing is getting deleted
There's nothing JSON about this, really

... other than the types happen to be JSON-serializable...
Type markup consistency
Clarify return value of create_webhooks
Remove FUD about id key
Say something about webhook & capability URLs
Fix Sphinx raises markup
Remove nonexistent :method: role in logging_treq
Merge pull request #662 from rackerlabs/method-role

Remove nonexistent :method: role in logging_treq
Merge branch 'master' into fix-model-interfaces
Clarify job of REST layer
Unskip the delete server tests, now that middleware allows this endpoint through
Merge pull request #664 from rackerlabs/unskip-delete-server-tests

Unskip the delete server tests
Merge pull request #657 from rackerlabs/fix-model-interfaces

Fix IScalingGroup.create_webhooks
Fix a test
Fix webhooks test
Add some nullable=False for good measure
Make the test fail somewhere exciting
Merge branch 'master' into sql-spike