ASGARD-1145 - Turn off instance types html parsing warning email

Because otherwise it's going to drive me insane.
Merge pull request #299 from joesondow/ASGARD-1145-stop-instance-types-email

ASGARD-1145 - Turn off instance types html parsing warning email
ASGARD-1124 - Single EBS volume for m3 instances

Change Asgard's m3.* launch behavior to add one block device mapping
/dev/sdb instead of the current four block device mappings.
Merge pull request #300 from joesondow/ASGARD-1124-single-EBS-volume-for-m3-instances

ASGARD-1124 - Single EBS volume for m3 instances
ASGARD-775 - 404 for non-existent DBSnapshot

Request for non-existent DB snapshot should show friendly 404 page and
update cache
Merge pull request #301 from joesondow/ASGARD-775-non-existent-DBsnapshot

ASGARD-775 - 404 for non-existent DBSnapshot
ASGARD-1142 - Use strict health check

For protection against unwise traffic moving
Merge pull request #302 from joesondow/ASGARD-1142-strict-health-check

ASGARD-1142 - Use strict health check
Merge branch 'master' into ASGARD-2-Retry-Eureka-calls

* master:
  ASGARD-1142 - Use strict health check
  ASGARD-775 - 404 for non-existent DBSnapshot
  ASGARD-1124 - Single EBS volume for m3 instances
  ASGARD-1145 - Turn off instance types html parsing warning email

Conflicts:
	grails-app/services/com/netflix/asgard/ConfigService.groovy