Merge pull request #9 from tspascoal/master

Add support for multi line descriptions in work item creation
updated version
Fixed indentation when replying the tasks array
Merge pull request #10 from bfcamara/fix-tasks-response

Fixed indentation when replying the tasks array
updated version
Improve OAuth autorization
  The message is now more clear and better formatted
  If hubot was running on un*x the authorize link parameters were separated with spaces