PEP8: fix spaces
BF: check Colorbar instance on the object istself, not object[0]
Merge branch 'master' into _bf/test_viz
TST: use sweeargs instead of internal loop and added few more corner cases

attention was triggered by regression in numpy:
https://github.com/numpy/numpy/issues/4295
ENH+RF: Rename skl dataset wrappers for consistency (fixes gh-118)

Full resolution is pending scikit-learn/scikit-learn#2865
Merge pull request #177 from hanke/skl_dataset_fixes

ENH+RF: Rename skl dataset wrappers for consistency (fixes gh-118)
Merge branch '_bf/test_viz' of https://github.com/nno/PyMVPA

* '_bf/test_viz' of https://github.com/nno/PyMVPA:
  BF: check Colorbar instance on the object istself, not object[0]
  PEP8: fix spaces
BF: resolving failed matshow smoke test by allowing both types of return value (tuple and the instance) for the ax.colorbar
Merge pull request #176 from hanke/master

BF: Revitalize the news widget