to basis_vectors.  A long time ago the name support_vectors made sense but now that these
objects are used by a lot of algorithms that don't technically produce support vectors
this name is confusing.  The name basis_vectors more accurately reflects how these objects
get used.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403278