Be sure to pull in build-essential cookbook
Remove mysql, as it appears that it has been merged into the main PHP package
Rename machinetypes
Switch to new hardwaretypes
Add costs for AWS
Switch Joyent flavors to their current generation, and add pricing
Update descriptions
Update Rackspace small flavor to match RAM of others and add cost for Rackspace
Add the +0.12/hr cost for: Managed Cloud service level
Add hardware specs to AWS flavors
Add hardware stats for Joyent
Add Rackspace hardware specs
moving a lot of validation for cluster create requests from
solve time to request time, as well as adding additional checks
for required provider fields.
Merge remote-tracking branch 'origin/develop' into feature/check-cluster-args-early

Conflicts:
	server/src/main/java/com/continuuity/loom/scheduler/task/ClusterService.java
moving validation code to their respective classes instead of
keeping them all in the cluster service.
Merge pull request #393 from continuuity/feature/build-php-modules

Feature/build php modules
Merge pull request #426 from continuuity/feature/even-more-hwtypes

Feature/even more hwtypes
Merge pull request #432 from continuuity/feature/check-cluster-args-early

moving a lot of validation for cluster create requests from
Add #272 to CHANGELOG
Merge remote-tracking branch 'origin/develop' into feature/update-templates

Conflicts:
	config/defaults/clustertemplates/hadoop-distributed.json
	config/defaults/clustertemplates/hadoop-singlenode.json