DOC: updated Changelog to reflect name change from niml_dset to niml
DOC: minor changes to Changelog
Merge branch 'master' of https://github.com/PyMVPA/PyMVPA
BF: update the niml_dset to niml name change in the unit tests
DOC: minor changes to Changelog
RF: renamed {from,to}_niml_dset to {from,to}_niml to reflect earlier chance of niml_dset to niml