BF Fixed the case of empty set of regions in bsa -- to be further checked
A pass on bsa module: simplifications, redundancy removal, more explicit variable naming
More changes in related modules: variable naming, API
More variable renaming and simplifications
Proceed with updates of the Functional landmark stuff
Further simplifications on the landmark learning structure
Simplified again the landmark API
many other simplifications + pep8 on part of the code base
A few fixes in the docstrings of the examples
Further simplified the bsa example
Updates of the doctrings
increased test coverage + faster tests
Fixed a remote bug triggered by travis...
Further simplifcations of the cade + more tests
added tests for bsa_io
pep8 + a little fix
Merge pull request #271 from bthirion/fix-bsa

MRG: Fix bsa