Add source code to Tricircle

Initial PoC source code for Tricircle, the project for OpenStack cascading solution.

Change-Id: I8abc93839a26446cb61c8d9004dfd812bd91de6e

.gitignore

@@ -0,0 +1,45 @@
+*.DS_Store
+*.egg*
+*.log
+*.mo
+*.pyc
+*.swo
+*.swp
+*.sqlite
+*.iml
+*~
+.autogenerated
+.coverage
+.nova-venv
+.project
+.pydevproject
+.ropeproject
+.testrepository/
+.tox
+.idea
+.venv
+AUTHORS
+Authors
+build-stamp
+build/*
+CA/
+ChangeLog
+coverage.xml
+cover/*
+covhtml
+dist/*
+doc/source/api/*
+doc/build/*
+etc/nova/nova.conf.sample
+instances
+keeper
+keys
+local_settings.py
+MANIFEST
+nosetests.xml
+nova/tests/cover/*
+nova/vcsversion.py
+tools/conf/nova.conf*
+tools/lintstack.head.py
+tools/pylint_exceptions
+etc/nova/nova.conf.sample