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.
WHIRR-673: fix bug in CDH version detection and update CDH3 and below repo mirror URL to reflect Redhat/CentOS version/arch
WHIRR-673: support RHEL 5, 64 bit and 32 bit arch
WHIRR-673: support RHEL 5, 64 bit and 32 bit arch
refactor ubuntu cdh repo setup to also work for debian
WHIRR-673: Update to support minor repo versions
Merge branch 'trunk' into graham-patch-WHIRR-673
WHIRR-673: Import repo key for RHEL/CentOS