Merge pull request #127 from rackerlabs/master

Promoting To Stable
Merge pull request #129 from rackerlabs/master

Promoting Master to Stable
Merge pull request #159 from rackerlabs/stable-1

Stable 1
Limits/Offsets in Stacky API

Most Stacky API calls now have limit/offset query arguments.
The default limit is 50 and the hard limit is 1000.
Filter on when field for events in StackyAPI
Only populate from image_meta if available
More safe population from image_meta
Fixing safe image_meta in _process_exists
Merge pull request #161 from rackerlabs/stable-2

Stable 2
Memory efficient loading of RawData in 0003 Migration
Merge pull request #166 from ramielrowe/stable_0003_mem_fix

Memory efficient loading of RawData in 0003 Migration
More efficient old launches query
Added pidfile argument to the "status" command of the initscripts for worker and verifier
Fixed typo in worker/stacktach.sh
Merge pull request #170 from rackerlabs/stable-3

Promoting Stable-3 To Stable
Fail reconcile if no region found
Merge pull request #179 from ramielrowe/stable-3

Pulling 'Fail reconcile if no region found' into Stable-3
Merge pull request #180 from rackerlabs/stable-3

Promoting to Stable
added null/type checks on specific fields of exit
Fixed type check for instance_type_id and rax_options for instanceexists and size for glanceexists
changed the order of the validity check
added validation level as flag
Added empty check for nova image properties