YCSB Client dev
New token logic.... And some other goodies
Fixes to the latest code
Update ycsb_workload.py
start-cb script
Support for floating IPs
Merge branch 'master' of https://github.com/jtaleric/cbtool into jtaleric-master2

Conflicts:
	clients/ycsb_workload.py
	lib/clouds/osk_cloud_ops.py
	scripts/cassandra_ycsb/cb_setup_ycsb.sh
	scripts/cassandra_ycsb/cb_ycsb_common.sh
Merged Joe Talerico's changes
Merge branch 'jtaleric-master2'
Additional changes for Floating IP support in OpenStack (still requires
additional work).