user-guide specific references removed from make_docs to make it more general. added -D release directive to sphix build command so version information can be passed in via setup.py.  -code read, Judah DePaula
user-guide specific references removed from make_docs to make it more general. added -D release directive to sphix build command so version information can be passed in via setup.py.  -code read, Judah DePaula

liulion/mayavi,alexandreleroux/mayavi,dmsurti/mayavi,liulion/mayavi,dmsurti/mayavi,alexandreleroux/mayavi