Due to Launchpad Bug introspection hangs due to broken ipxe config finally resolved on 09/01/2016 approach suggested in TripleO manual deployment of ‘master’ branch by Carlo Camacho has been retested. As appears things in meantime have been changed. Following bellow is the way how mentioned above post worked for me right now on 32 GB VIRTHOST (i7 4790)
Complete text may be seen http://bderzhavets.blogspot.com/2016/09/tripleo-deployment-of-master-branch-via.html