Merge pull request #1301 from Azure/master

integrate from master to dev
enable to run xplat tests in ci
Merge pull request #1306 from yugangw-msft/runxplat

enable to run xplat tests in ci
Generated the graph.rbac client with latest spech changes and made it ready to publish under azure-extra module
modified the gruntfile and jshintignore
Merge pull request #1307 from amarzavery/dev

Generated the graph.rbac client with latest spech changes and made it re...
edited readme.md of azure-extra
Merge pull request #1308 from amarzavery/dev

edited readme.md of azure-extra
cloud service
address jshint error due to for-in loop
Merge pull request #1310 from yugangw-msft/jshint

address jshint error flagged by the latest jshint 2.5.6 released yesterday.
Merge pull request #1309 from yugangw-msft/cloudservice

expose cloud service client from scheduler package
remove the test of proxyfilter which team agrees not a meaningful test
Merge pull request #1314 from yugangw-msft/fixtest

remove a test of proxyfilter which team agrees not a meaningful test
Update npm to a valid version
Merge pull request #1316 from andrerod/lock

Use compatible npm version
use storage module instead of storage legacy and fix test code
Add tests for HTTP 408 retry logic
Add comment for HTTP 408
Bumping rollup package version