Fix license note for code from PyMVPA.
Fix license note for code from PyMVPA.

alexis-roche/nireg,bthirion/nipy,alexis-roche/register,alexis-roche/nireg,alexis-roche/niseg,arokem/nipy,bthirion/nipy,alexis-roche/nipy,nipy/nireg,arokem/nipy,arokem/nipy,alexis-roche/nipy,alexis-roche/nipy,alexis-roche/register,nipy/nipy-labs,bthirion/nipy,alexis-roche/niseg,nipy/nireg,bthirion/nipy,arokem/nipy,alexis-roche/nipy,alexis-roche/register,nipy/nipy-labs