Unit test for auto generated winrm http/https port.
API add_data_disk lun is optional argument.
Cloud service should delete only if there are no other VMs/Deployments in the cloud service.
Moved add role functionality as separate API.
Added integration/unit tests for cloud service.
Updated Role Size.
Upgraded Service Management Versioning to 2014-04-01
ChangeLog update
Minor changes and bug fixes.
Merge pull request #140 from MSOpenTech/dev

Upgraded Service Management Versioning to 2014-04-01