Support "azure account connection-string show".
Fix build errors in Travis CI.
1. Remove one-off script from package.json.
2. Fix typo in storage.account._js
Update to use Azure storage xscl 0.2.1
Update nock test data for blob test cases.
Update xscl to 0.3.0.
Merge lastet updates from yugangw-msft/dupefilter from upstream.
Fix two coding style issues.
Set MD5 for both block blob and page blob.
To keep consistent with website commands, rename 'connection-string' to 'connectionstring'.
Implement share management cmdlets: list/show/create/delete.
Resolved confilcts from upstream branch
Update storage sdk to fix $logs and $root validation issue.
Resolved comments.
Merge branch 'dev' of https://github.com/wastoresh/azure-sdk-tools-xplat.git
Per previous review's comment, refactor the part of logic to get storage service client.
Added unit test cases for commands and fixed several minur issues.
Support blob copy commands
Merge branch 'dev' of https://github.com/wastoresh/azure-sdk-tools-xplat into dev

Conflicts:
	lib/commands/asm/storage.blob._js
	lib/util/storage.util._js
Merge branch 'dev' of https://github.com/wastoresh/azure-sdk-tools-xplat.git