Add basic rackspace nodes support
Add ability to create images
Add raw image
Remove debug output
Add python image
Fix creating image
Not create duplicate for raw image
Add ability to find image by name in node
Add waiting for image
Fix image root
Wait for all images
Use gevent when create images
Move waiting for image in node cls
Add case for node output
Remove unused pyrax import
Add lazy proxy to pyrax
Add nodes to ci configs
Add basic test case for node
Improve node tests
Add tests for creating node images