Merge pull request #257 from sfabbro/master

init script for condor worker
Merge pull request #260 from sfabbro/master

fixes from splits of condor / cloud_scheduler worker scripts
version bump
missing () from the key sort
handle empty string "" for attribute in requirements string.
refactored the force retire functions slightly
check for unpropagated when getting starting vms
force retire VMs instead of shutting down right away.
make sure curl did not return a junk xml response
added cloud config option for setting secure connection on ec2 boto connections
include unpropagated VMs in check for boot_timeout
moved ibm cloud related class into separate file
add empty files for refactoring cluster classes
split the cluster_tools into different files for each cloud
put in _ for ignored ret values
only retire if not already retiring and if fail retire perform shutdown
don't redefine the default value from init()
adding google cluster initial class
more google compute engine stuff
more GCE - able to boot, poll, and shutdown VMs now - need contextualization