Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-tools-xplat into dev
Update preview command and add test cases
Fixed dev-only provider registration commands, apiversion no longer set correctly
Update test recording to include preview command
add test recordings
escape special characters in file path and keep chinese characters
#778 Add unit test to override properties of a built-in environment
#777: Add unit tests for create, get, list, delete that use connection string for blobstorage service.
#284: Fix case sensitivity issue in azure site config commands
Updating the background to use for disk images
Add details for network commands
update readme - part 1
apply review comments
use one RegExp with multiple characters instead of multiple RegExp with one characters
Improve help text and resolving storage account keys
Merge pull request #858 from WindowsAzure/master

Merge back to dev
Update SDK path
Merge pull request #862 from andrerod/storage_labels

Improve help texts
Apply code review comments
Merge pull request #849 from andrerod/ut

Adding UT