Changes preping for CoreOS.
Minor spelling fix.
Updated build.sbt to use userHome rather than a hard coded directory path.
Merge pull request #3 from carlpulley/coreos

CoreOS Updates
Registration UI
Refactored and simplified etcd interaction
Reverted unnecessary changes to build.sbt!
Reverted unnecessary change!
Bug fix: keys shouldn't contain slashes!
Bug fix: removed potential race condition in setting etcd key to be MemberUp
Removed cassandra startup hack - to be handled by CoreOS
Removed min nr cluster node setting.
Reverted unnecessary build.sbt changes - duh!
Merge pull request #4 from carlpulley/coreos

Etcd Simplifications
Error view
Latest updates
Pebble code
Layout changes
Provisioning
Simplified seeding behaviour
Merge pull request #6 from carlpulley/coreos

Simplification of initial seeding behaviour
Added in Cassandra contact-points code