Merge pull request microsoft#1749 from paulvanbrenk/azureWorkerFix

Azure worker fix

LEGO: Merge pull request 1727

LEGO: Merge pull request 1727

Fix incremental builds not including the TypeScript project templates

Visual Studio 2017 Update 4 Preview 3

Visual Studio 2017 Update 3 RTW

Merge pull request microsoft#1605 from ozyx/mocha-unique-id

Use hashed file contents as unique test ID

Merge pull request microsoft#1589 from paulvanbrenk/telemetry15.3

Telemetry 15.3

Merge pull request microsoft#1581 from paulvanbrenk/15.3rollup

15.3 rollup

Merge pull request microsoft#1576 from paulvanbrenk/fixTypingsAqq

Make sure we send options for the install_typings in both cases.

Update VSIX version