Added functionality for updating and resetting compute quotas. (#214)

* Added functionality for updating and resetting compute quotas.
Unit and acceptance tests added.

* Forgot to add my latest changes.
Modified acceptance test to better find the tenant-id

* Improved test coverage.
And fixed a bug while doing this.

* Moved FillFromQuotaSet to acceptance test package
Refractored ToComputeQuotaUpdateMap()
7 files changed