vCloud driver for VMWare vCloud Director 5.1 API
Take openstack driver from Mar 01, 2013 into use.
Allow delete instance on openstack driver.
Allow destroying pending vcloud instances.
Take 6 cpu flavor to use
Added dependency to thin <2.0.0
Dependency to thin in one command
Use pessimistic operator in thin dependency, so that matches >= 1.2.5,  < 2.0.0
fixed typo in volume converion
attach volume, device made optional
Volume status conversion improved
Key name fix
metadata storing during instance creation
Instance metadata basic support
removed metadata from to_hash method
Metadata disabled
Preentation of openstack metadata in json format

Conflicts:
	server/lib/deltacloud/drivers/openstack/openstack_driver.rb
Metadata formatting
Metadata json parsing error will result in error responses
Changed metadata xml presentation