Merge pull request #2841 from stankovski/refactoring

Replaced all references to old Subscription, Profile, Environment with new ones
Merge pull request #2843 from stankovski/refactoring

Fixed CloudService unit tests
Merge pull request #2846 from stankovski/refactoring

Cleaned up using statements
Merge branch 'dev' of github.com:Azure/azure-sdk-tools into profile

Conflicts:
	src/Common/Commands.Common/AzurePowerShell.cs
Merge pull request #2847 from ogail/profile

Merge latest from public dev branch
Merge pull request #2855 from stankovski/refactoring

Additional test fixes for HDInsight, Managed Cache, Automation, Traffic Manager, and Scheduler tests
Merge branch 'refactoring' of https://github.com/Azure/azure-sdk-tools into refactoring

Conflicts:
	src/Common/Commands.Common/Common/AzurePowerShell.cs