remove ubuntu 13.04
Revert "CentOS 6.4 image is back"

This reverts commit 787e5287df716cc5119060e76eef2cadb32935ae.
Added hello-world.template
Removed git_url section)
Fixed issue in user_data
remove remote berksfile for now
Update README.md
added 3-tier commerce template with autoscale enabled
Adding workshop templates
Merge pull request #13 from jakubkrajcovic/master

added 3-tier commerce template with autoscale enabled
Fix spelling/schema errors in parameters
Fix constraints spelling error
Template changes due to HOT validation

- Remove "required: true"
- allowedPattern => allowed_pattern
Renamed hello_world templates.
Promoted dev to qa/staging/prod
Update chef_multi_node_wordpress.template

Changed keypair_name to key_name to match other templates.
Renamed DependsOn -> depends_on for HOT compat
Merge pull request #12 from andrew-plunk/remove_ubuntu_13.04

remove ubuntu 13.04
Merge pull request #14 from BeenzSyed/patch-1

Update chef_multi_node_wordpress.template
Merge pull request #15 from jasondunsmore/master

Renamed DependsOn -> depends_on for HOT compat