Review new available Jenkins plugins

Test usage and value-added of the following plugins (strikethrough, edit or add new comments during work in progress).
Refer to and keep up-to-date https://doc.nuxeo.com/display/CORG/Jenkins+plugins

PREPROD:

• http://opspreprod.in.nuxeo.com/
• http://qapreprod.in.nuxeo.com/jenkins/

PROD:

• https://opscenter.nuxeo.org/
• https://qa.nuxeo.org/jenkins/
• https://qa2.nuxeo.org/jenkins/

To test:

• Copy Artifact Plugin + Authorize Project plugin
• Python Plugin
• Maven Dependency Update trigger
• M2 Extra Steps Plugin
• VirtualBox Plugin
• VMware plugin
• Jenkins Maven Repository Server
• Copy To Slave Plugin
• Label Verifier Plugin
• Job Generator Plugin
• Violation Comments to GitHub Plugin
• Promoted Builds Plugin

Under test:

• Workspace Cleanup Plugin

Successfully tested (going soon to prod):
-

Not really useful:

• Log Parser Plugin
• Analysis Collector Plugin
• Downstream-Ext Plugin

Buggy:

• Screenshot Plugin
• Multiple SCMs Plugin

For later testing:

• Xvnc Plugin (currently managed on slaves, not from Jenkins)