Added ADAL library package
Building out AD infrastructure - basic interfaces
Create AdalConfiguration with constructor like a sane person
Pass environment to the GetToken methods.
Building out adal auth
Merge branch 'dev' into ad-implementation
Adding AD information to WindowsAzureSubscription
Updated token to return user id as well
Starting to plum AD through the system.
Added AD support through the profile subsystem
Can add-azureaccount now and use token to authenticate. No caching yet.
Make TokenProvider internal so that Powershell doesn't print it
Code review feedback
Merge pull request #1925 from christav/ad-implementation

Active Directory implementation
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	WindowsAzurePowershell/src/Commands.Utilities/Commands.Utilities.csproj
	WindowsAzurePowershell/src/Commands.Utilities/Properties/Resources.Designer.cs
	WindowsAzurePowershell/src/Commands.Utilities/packages.config