WHIRR-672 - Allow eager caching of instance hostname based on pre-provision instance metadata. Contributed by Graham Gear.
WHIRR-675 - Convert all whirr.env.* environment variable labels to upper case. Contributed by Graham Gear.
WHIRR-671. Create Kerberos Service. Contributed by Graham Gear.
WHIRR-679. Switch to HBase 0.94.2. Contributed by Andrew Bayer.
WHIRR-680. Add python scripts to aid ssh/scp in to VMs. Contributed by Steve Loughran.