add more supported image types
(MqCluster) Replicate queues to all cluster members. Better startup/shutdown graceful handling in server.js
Fix typo, remove unneeded parameter
Merge branch 'master' into mq-cluster
Unit test improvements and minor fixes for the oae-principals module
Merge pull request #475 from stuartf/npm-fixes

Npm fixes
Merge pull request #468 from mrvisser/mq-cluster

(MqCluster) Replicate queues to all cluster members. Better startup/shutdown graceful handling in server.js
Updating some basic docs
(Issue 335) Unit test to verify searching memberships of non-existent principals
Documentation fixes
Documentation fixes
Merge pull request #476 from mrvisser/issue-335

Unit test improvements and minor fixes for the oae-principals module
log authentications
code review issues
quote object keys
add util method for logging authentication success