Upgrade to Jenkins 1.563
Upgrade to Jenkins 1.564
Add test for importing configuration

Closes #15
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Upgrade to Jenkins 1.566
Remove adding the universe

The latest base ubuntu:12.04 already does this
Upgrade to Jenkins 1.567
Upgrade to jenkins 1.568
Use JENKINS_HOME instead of symlinks
Upgrade to Jenkins 1.569
Make sure the war is readable
Document how to use data volumes
Upgrade to Jenkins 1.570
Remove exposure of volumes

Allows committing plugins. Data containers should still work.

Fixes #18
Update version & Update authors
Merge pull request #19 from shinji62/feature/update-jenkins-and-docs

Update version & Update authors
Upgrade to Jenkins 1.572
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Use the '--rm=true' for the one-off docker process
Upgrade to Jenkins 1.574