Add build-number to index.html

Resolves https://www.pivotaltracker.com/story/show/58585598
Update format of build info on index.html

Follow-on to https://www.pivotaltracker.com/story/show/58585598
[maven-release-plugin] prepare release fcrepo-4.0.0-alpha-2
[maven-release-plugin] prepare for next development iteration
Merge pull request #116 from futures/release-alpha-2

Release alpha 2
Minor: Ensure AtomJMSIT starts with consistent state

Resolve https://www.pivotaltracker.com/story/show/58726512
Address intermittent AtomJMSIT test errors

Follow-on to https://www.pivotaltracker.com/story/show/58726512
added bypass auth provider to clustered config, to fix an authZ exception