Initial Rules implementation
Merge branch 'rules' into angular

Conflicts:
	src/sentry/interfaces.py
	src/sentry/models/__init__.py
	src/sentry/static/sentry/scripts/global.min.js
	src/sentry/testutils/cases.py
	src/sentry/web/api.py
	src/sentry/web/frontend/events.py
	src/sentry/web/urls.py