Update youtube-info.coffee

Print number of views, thumbs up and thumbs down.
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Updated to support jenkins-notifier 1.6 

FINISHED became FINALIZED in the latest release
Improve code by technicalpickles good advice
Merge pull request #1487 from paulgreg/master

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Merge pull request #1482 from stefansundin/master

Update youtube-info
Merge pull request #1485 from mirthy/master

Updated to support jenkins notify 1.6
Add warning that it's deprecated
Merge pull request #1489 from github/deprecate-pagerduty

pagerduty.coffee moved to it's own package