Schema to store scheduled events in the future.
Merge branch 'master' into auto-300-database-schema-like-xerxes
updated schema.
Merge branch 'master' into auto-300-database-schema-like-xerxes
Adding fake-mock tests and interfaces to demonstrate how the storage interface for scheduled events will look.
Merge branch 'master' into auto-300-database-schema-like-xerxes
Improving unit tests slightly, lint.
minor cleanup -- use correct idiomatic python.
Merge branch 'master' into auto-300-database-schema-like-xerxes
parsing scaling policy for at-time, adding it to the DB.
Fixing lint and docs.
Merge branch 'master' into auto-300-database-schema-like-xerxes
scaling_schedule sounds better than scheduled_scaling.
Merge branch 'master' into auto-300-database-schema-like-xerxes
Merge branch 'master' into auto-300-database-schema-like-xerxes
fetch_batch_of_events returns list of tuple

as per the doc instead of list of dict. Also, changed tests accordingly
replaced assert_deferred_succceeded with successResultOf
Merge branch 'master' into auto-300-database-schema-like-xerxes
Merge pull request #196 from rackerlabs/auto-300-database-schema-like-xerxes

- DB schema additions to store future trigger times
- respective model interface additions and implementation in cassandra 
- Related tests added