Add a reminder TODO to fix case where aggregator returns nil for HA
Fix ignored allocation in dtrs lookup
Fix some wrong test conditions
Handle correctly a None argument to sanitize_record
Make all describe_* DTRS store calls return None
Replace "if not ..." by "if ... is None"
Instance allocation type is not ignored anymore
Fix remaining integration tests following DTRS changes
Add metrics reporting with statsd
Merge branch 'master' into phantom0.2