Added epi_reg interface
add to init, cosmetic changes
auto_tests
Polish interface, add examples, add tests
Merge branch 'master' of https://github.com/nipy/nipype
Merge branch 'master' into enh/epi_reg
add to CHANGES
update make specs
add PrepareFieldmap test
Merge pull request #915 from juhuntenburg/enh/epi_reg

Enh/epi reg