Support VNext update (Azure#374)

* Delete ERCS_AzureStackLogs.ps1

* enhance error checking

* Delete ERCS_AzureStackLogs.ps1

* .Net UI cleanup

* Doc Update

* Delete ERCS_AzureStackLogs.ps1

* Logic change check for Module

* Delete AzS-PoSh-Environment.ps1

* added logic for logon failures

* Delete AzS-PoSh-Environment.ps1

* UI update

* Delete ERCS_AzureStackLogs.ps1

* Added CloudDeployment JSON check

* Delete AzS-PoSh-Environment.ps1

* Added CloudDeployment JSON check

* Delete ERCS_AzureStackLogs.ps1

* adding CloudDeploymentLogs

* Update to zip exclusions

Merge pull request Azure#337 from Azure/azps1211

Changes corresponding to PS version 1.2.11

AzureRM backward compatibility; Rename diagnostic extension name

Adding usecases to exclusion list; Don't remove linux image from PIR …

…if Canary didn't upload it

README update

README update

Merge pull request Azure#286 from shriramnat/master

Fixing Multi Tenancy issues in Identity Module

ComputeAdmin marketplace item fix

Merge pull request Azure#143 from Azure/vnext

Merging vnext to master

Merge pull request Azure#114 from Azure/canary2016

Upload windows image, add VMSS, availability sets & linux VM deployment