Use str_to_bool for mysql config bools, Fixes #483
PEP8
Unused imports
AWS CloudWatch Handler - Supports InstanceID Dimension, requires boto
Merge pull request #484 from anthroprose/master

AWS CloudWatch Handler - Supports InstanceID Dimension, requires boto
Merge branch 'master' of github.com:BrightcoveOS/Diamond
Catch URLError not HTTPError to handle unavailability (e.g. connection refused) AND http errors.

Change-Id: Ic95ee74b7f22251ad25ad1ebfd1f716e453dc7c4
Merge pull request #485 from rtoma/es-fix

Improved exception handling for Elasticsearch collector
Merge branch 'master' of github.com:BrightcoveOS/Diamond
spelling
Broader exception catching for ES collector http call

Change-Id: Ic03c518caf443636d5740680b3d55dae34c8a564
Adding new netapp Disk collector
thread-safety; some refactoring
support multiple aws regions and queues
tsdb.py: format metrics more idiomatically

allow metric format to be user controllable
set tag with hostname
allow tags to be configured and passed through
Merge pull request #488 from Dieterbe/multi-sqs-queues

sqs collector: support multiple aws regions and queues
Merge pull request #489 from goraxe/master

tsdb.py: format metrics more idiomatically
Merge branch 'master' of github.com:BrightcoveOS/Diamond
Fix issue with cpu collector test failing incorrectly
Fix reimann tests