remove my signature everywhere
back to old naming convention
added denoise workflow
some leftovers changing names-convention
remove preprocess directory
doctests: some fixed some added
fixed docstrings, added doctests
Merge branch 'enh/NewDipyInterfaces' into experimental

Conflicts:
	nipype/workflows/dmri/__init__.py
	nipype/workflows/dmri/setup.py
Fixed conflict
Merge branch 'enh/NewEPIArtifactCorrections' into experimental

Conflicts:
	nipype/interfaces/elastix/base.py
	nipype/workflows/dmri/__init__.py
	nipype/workflows/dmri/setup.py