added connection
modified how headers are added to the request, ensured create_node works
added delete unit tests
added additional unit tests, modified locations to return supported vm role sizes supported
modified destroy node logic so exception is thrown if deployment or node do not exist
added create/destroy cloud service.  added unit tests for create node
modified asyn call so that an explicit check for status codes can be achieved.  Added 307 to the list of possible errors, sometimes these are sent by azure
added dict of standard images, fixed some minor issues
fixed small issue where unit tests did not run
cleanup and re-ordering of code to meet submission requirements
modified test subscriptionId and associated files so it no longer uses elastacloud sub-id, ensured tests no longer rely on elastacloud pem file.  Empty file in fixtures serves as an adequate replacement
updated python file to include proper async polling
Modified async code to poll for status.  Modified unit tests accordingly
reverting example_compute
Merge pull request #1 from davidcrossland/trunk

code merge