Changed VM offering
Added exec wrapper setting Python 2.7 from cvmfs
elastiq reads XML output from condor_status
Implemented the logic to turn off idle VMs
Fixed some logging messages when starting VMs
"Scale down" function to invoke VM stop command
Invoke "scale down" only when necessary
Fixed other copied logging messages
External command to stop VMs
condor_off before invoking shutdown
Re-insert VMs in HTCondor queues if shutdown fails
Only one attempt when shutting down VMs
Better production timeouts
Single credentials file for OpenStack