packaging
DBN abandonment probability
Merge branch 'master' of git://github.com/agrotov/clickmodels into agrotov-master

Conflicts:
	ClickModels/inference.py
Renaming, part 1
Renaming, part 2
Continue moving files around (related to packaging).

Start removing dependency on the global constants.
Pass config variable to a click model class, so that we can over-write default settings set in config_sample.py.
Update compare_click_model script
Fix typo in setup.py
Remove RBP as it is no longer supported.
Update README.md and documentation.