Fix to start neo4j and whale in run_stack
Add to check KEYSTONE_TYPE
Makes sure janusclient will be installed and configured if nova is among enabled services. This would ensure that even in agents, janus will be configured before start_nova gets called.
Merge pull request #19 from hesamrahimi/silver

Makes sure janusclient will be installed and configured if nova is among...
Merge branch 'silver' of https://github.com/t-lin/devstack into silver