Merge pull request #2488 from yugangw-msft/setcache

Set Managed Cache Command
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 dev
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into dev
Merge branch 'dev' of https://github.com/huangpf/azure-sdk-tools into images
Merge branch 'dev' of https://github.com/huangpf/azure-sdk-tools into images
update nuget packages
update nuget packages
Merge branch 'release-0.8.1' of github.com:Azure/azure-sdk-tools into ep
Merge branch 'release-0.8.1' of github.com:Azure/azure-sdk-tools into ep
Merge branch 'dev' of github.com:Azure/azure-sdk-tools into ep

Conflicts:
	WindowsAzurePowershell/setup/azurecmdfiles.wxi
Merge branch 'dev' of github.com:Azure/azure-sdk-tools into ep

Conflicts:
	WindowsAzurePowershell/setup/azurecmdfiles.wxi
Merge pull request #2490 from ogail/ep

Merge release into dev
Merge pull request #2490 from ogail/ep

Merge release into dev
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
Merge branch 'dev' of https://github.com/AzureRT/azure-sdk-tools into images
Fix unit tests and apply review comments