Fix "azure site job show" command which didn't actually showed the WebJob
Fix "azure site log set" command which didn't set info
Renamed "web job" to "WebJob".
Added support for json for azure site job show command.
Updated job show test to make sure a valid response is returned.
Merge pull request #1466 from amitapl/dev

Fix "azure site job show" & "azure site log set" command.