Barbican should not do rbac on version api call

Closes-Bug: #1290445

Change-Id: Idcd52600542b017f54c25a75ec0ab37348eb109d
Make max api request size configurable.

Make the maximum allow request size for the barbican api a configuration option.

Change-Id: Ied2c4c08ea845c45ba689d1daf6b83e42aa6a732
Housekeeping, re-alphabetize requirements

Change-Id: I3c4961419de426c84ca65a8f60e6c438ddd2f798
Merge "Make max api request size configurable."