- implemented Open3DALIGN-like alignment functionality (from both
  C++ and Python)
- added relevant C++/Python tests
this passes all tests
- propagated the changes in the master branch to the O3A branch
Merge pull request #111 from ptosco/O3DAlign_29Sept2013

- propagated the changes in the master branch to the O3A branch
Update GettingStartedInPython.rst

Description of similarity maps added.
Update GettingStartedInPython.rst

Description of similarity maps
figures for documentation
Update GettingStartedInPython.rst

similarity maps for descriptors
figures for documentation
Update Cookbook.rst

scikit-learn and similarity maps for models
efficiency patch for the sa score code from Nick Firth
Changes to the various bulk similarity functions for #119; not closing yet since there may still be other places that need to be updated
Fixed GitHub Issue #114
https://github.com/rdkit/rdkit/issues/114
Removed some superfluous changes (was including SmilesParse for
visual testing, extra whitespace etc.)
add support for tversky similarity to cartridge
Merge pull request #122 from malteseunderdog/master

Fixes #114
Fixes #118
some small cleanups
Merge branch 'O3DAlign_29Sept2013'
remove USR and USRCAT implementation