Add ironic-discoverd element
Fixes for ironic-discoverd element based on real testing
Replace discovery-dhcp with ironic-discoverd
Move default PXE configuration to ironic-discoverd
ironic-discoverd is expected to start after keystone
Add masquerade rule for undercloud
Merge pull request #41 from Divius/ironic-discoverd

Switch Ironic hardware discovery to ironic-discoverd
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
Adding deployment of Overcloud using tuskar

Adding tuskar deployment as alternative in
instack-deploy-overcloud script.