Add selinux policy for neutron ip AVC
Add selinux policy for nova keypair AVC
An ironic key can't be in the cfn json b/c it will cause additional values to be added to configuration files by os-apply-config
Add a comment about using jq for a future cleanup
Refactor instack-build-images so that the elements included in images can be overridden
instack-prepare-for-overcloud should also download vmlinuz/initrd files if they exist
Add a tripleo passthrough script to make the install from packages so that we can reuse more of the instack scripts
Update instack-deploy-overcloud so that it can also be used from a source based install
Add an instack-sourcerc that contains all the settings for a source based install/deployment
Update source install script to account instack-sourcerc and tripleo scripts