update help document for commands and managed cache
Merge pull request #2495 from yugangw-msft/cachefeedback

Add feedback from cache service team
Merge pull request #2495 from yugangw-msft/cachefeedback

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

update changelog and readme
Merge pull request #2498 from guangyang/release-0.8.1

update changelog and readme
Merge pull request #2497 from yugangw-msft/cachehelp

Help document for Commands and Azure Managed Cache
Merge pull request #2497 from yugangw-msft/cachehelp

Help document for Commands and Azure Managed Cache
update nuget packages
update nuget packages
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into images

Conflicts:
	WindowsAzurePowershell/src/Commands.ServiceManagement.Preview/packages.config
	WindowsAzurePowershell/src/Commands.ServiceManagement.Test/packages.config
	WindowsAzurePowershell/src/Commands.ServiceManagement/packages.config
	WindowsAzurePowershell/src/Commands.Test.Utilities/packages.config
	WindowsAzurePowershell/src/Commands.Test/Commands.Test.csproj
	WindowsAzurePowershell/src/Commands.Test/packages.config
	WindowsAzurePowershell/src/Commands.Utilities/Commands.Utilities.csproj
	WindowsAzurePowershell/src/Commands.Utilities/packages.config
	WindowsAzurePowershell/src/Commands/Commands.csproj
	WindowsAzurePowershell/src/Commands/packages.config
	WindowsAzurePowershell/src/Common.Test/packages.config
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into images

Conflicts:
	WindowsAzurePowershell/src/Commands.ServiceManagement.Preview/packages.config
	WindowsAzurePowershell/src/Commands.ServiceManagement.Test/packages.config
	WindowsAzurePowershell/src/Commands.ServiceManagement/packages.config
	WindowsAzurePowershell/src/Commands.Test.Utilities/packages.config
	WindowsAzurePowershell/src/Commands.Test/Commands.Test.csproj
	WindowsAzurePowershell/src/Commands.Test/packages.config
	WindowsAzurePowershell/src/Commands.Utilities/Commands.Utilities.csproj
	WindowsAzurePowershell/src/Commands.Utilities/packages.config
	WindowsAzurePowershell/src/Commands/Commands.csproj
	WindowsAzurePowershell/src/Commands/packages.config
	WindowsAzurePowershell/src/Common.Test/packages.config
Merge branch 'dev' of https://github.com/Azure/azure-sdk-tools into dev