Add comments explaining changing the master/minion hostnames

* openshift forces resolving all minions to hostnames to query etcd keys
  rather than using the IP address
Merge pull request #15 from jwhonce/wip/lastest

Add comments explaining changing the master/minion hostnames
doc update
Merge pull request #16 from twiest/pr

doc update
fixed link
Merge pull request #17 from twiest/pr

fixed link
Create LICENSE.md
Update LICENSE.md
Added Docker image build stuff
Merge pull request #18 from twiest/pr

Added Docker image build stuff
removed gce.ini and instead added instructions for setting up secrets.py
Merge pull request #19 from twiest/remove_project_info

removed gce.ini and instead added instructions for setting up secrets.py
removed shutdown_nightly from atomic proxy hosts
Merge pull request #20 from twiest/pr

removed shutdown_nightly from atomic proxy hosts
Documentation updates
Merge pull request #21 from twiest/doc_updates

Documentation updates
cleaned up unused GCE host types, changed back to using gce.ini, and added a better ssh detection on launch.
Merge pull request #22 from twiest/pr

cleaned up unused GCE host types, changed back to using gce.ini, and added a better ssh detection on launch.
fixed cluster.sh to only run minion and master creation once, and to use -c if there are multiple needed. Also added nicer output.
Merge pull request #23 from twiest/pr

fixed cluster.sh to only run minion and master creation once, and to use -c if there are multiple needed. Also added nicer output.