Explicitly set $NODE_DIST to fedora. This will enable selinux on the undercloud, since devtest_variables otherwise sets it to 'fedora selinux-permissive'
Add cherry-pick from github for tripleo-image-elements to pick up the RDO specific swift default ports patch
Update REAMDE-packages.md to show an end to end.
Make sure *SCALE variables are exported in doc
Explicitly install python-netaddr rpm

Otherwise on RHEL there is then conflict between files installed
by pip and files installed by rpm.
Increased default VM memory to 4G

3G RAM is not enough for running UC/OC on 64bit system.
updated to match current commit hash
Merge branch 'master' of github.com:agroup/instack-undercloud
updates to match the patchset for https://review.openstack.org/#/c/123100
Cherry pick keepalived and swift SELinux custom policies
Cherry pick installing openstack-selinux package for RHEL
Merge pull request #45 from rwsu/openstack-selinux

Cherry pick installing openstack-selinux package for RHEL
Merge pull request #44 from rwsu/selinux-picks

Cherry pick keepalived and swift SELinux custom policies
cherry-pick instance-id hashing to fix mysqld server_id string format
Merge pull request #46 from gfidente/instance-id

cherry-pick instance-id hashing to fix mysqld server_id string format
Ensure epel and rdo-element are added to rhel7 and centos7 OC images
Guard keygen and nova keypair upload by $RUN_ORC as well
Merge branch 'master' of github.com:agroup/instack-undercloud
Merge pull request #48 from gfidente/rhel7_elements

Ensure epel and rdo-element are added to rhel7 and centos7 OC images
This patch has merged and is included in the $LKG commit