add ha
make feature names a property
Merge branch 'write_environment' into ha_testing
run chef-client twice on computes to propogate host keys
run after all have finished
keep tmux windows open
Merge pull request #99 from cjoelrun/compute_hostkeys

Compute hostkeys
set hostkeys on computes post deployment run
Merge pull request #101 from cjoelrun/computehostkeys

set hostkeys on computes post deployment run
Merge remote-tracking branch 'refs/remotes/ian/master' into ha_testing

Conflicts:
	compute.py
clean up
Merge pull request #102 from cjoelrun/ha_testing

Ha testing