Merge pull request #64 from ivan-shaporov/dev

Fix OrderBy issue.
Adding more unit tests
Merge branch 'dev' of https://github.com/gtrifonov/azure-sdk-for-media-services
Removing unused usings
Merge pull request #65 from gtrifonov/dev

Adding more unit tests for jobs, locators/policies
Add CommonEncryption unit tests.
Remove unused fake cert from scenario tests.