Merge branch 'release-0.8.1' of github.com:WindowsAzure/azure-sdk-tools into release-0.8.1
update changelog for 0.8.1
update the date
Merge pull request #2498 from guangyang/release-0.8.1

update changelog and readme
Initial port
Port TAB completion feature over
register resoyrce provider for caching
Merge pull request #2512 from yugangw-msft/portcache

Port managed cache commands over
Update ChangeLog.txt
Merge pull request #2524 from Azure/release-0.8.1

Release 0.8.1
Merge branch 'master' of github.com:Azure/azure-sdk-tools into msg

Conflicts:
	WindowsAzurePowershell/setup/azurecmdfiles.wxi
	WindowsAzurePowershell/src/Commands.ManagedCache.Test/Commands.ManagedCache.Test.csproj
	WindowsAzurePowershell/src/Commands.ManagedCache.Test/Properties/AssemblyInfo.cs
	WindowsAzurePowershell/src/Commands.ManagedCache.Test/packages.config
	WindowsAzurePowershell/src/Commands.ManagedCache/Commands.ManagedCache.csproj
	WindowsAzurePowershell/src/Commands.ManagedCache/Properties/AssemblyInfo.cs
	WindowsAzurePowershell/src/Commands.ManagedCache/lib/ManagedCacheClient.cs
	WindowsAzurePowershell/src/Commands.ManagedCache/packages.config
	WindowsAzurePowershell/src/Commands.Utilities/Azure.psd1
	WindowsAzurePowershell/src/WindowsAzurePowershell.sln