Fixed the autocomplete definitions in sql properly
modified SnapshotManager.snapshot_volume_group to not raise an error if a snapshot group has an error, so that the post command can complete correctly
locked boto to version 2.27.0 to pull in support for route53
added some monkeyhacks to get around some missing implementations in boto's route53
laid out the initial code to support route53 management features
added tables for tracking data on route53 health checks