Added changes to display server summary
Incorporated review comments
test travis run
Add back Travis support
Update to newest chef gem as a dev dependency
Merge pull request #120 from opscode/adamed-oc-10371

OC-10371: Knife-azure should show summary of created instance
Implemented changes for async server deletion
Added rspec tests for async server deletion
Use latest azure service delete api to run knife azure server delete in background
Implemented review comments to update query_azure for async request and changes for code cleanup
Fixed and added rspec tests for async server delete changes
Merge branch 'sid-oc-10567-async-delete' of https://github.com/opscode/knife-azure into sid-oc-10567-async-delete