FIX issue #1457 KNeighbors should test that n_samples > 0
ENH : add reconstruction_err_ for NMF with sparse input
COSMIT rm deprecated stuff

One more deprecated feature to go in FastICA; not sure how to handle
that one.
FIX: Cast floats to int before slicing in robust_covariance

Fixes #1608.
BUG fix failing doctest
BUG one more failing doctest

Must... not... forget... to... test
BF: explicitly mark train_test_split as not the one for nosetesting

otherwise nose might consider running it resulting in
  File "/tmp/buildd/scikit-learn-0.13/debian/python-sklearn/usr/lib/python2.7/dist-packages/sklearn/cross_validation.py", line 1349, in train_test_split
    raise ValueError("At least one array required as input")
ValueError: At least one array required as input

as was also reported on the mailing list
Message-ID: <50F6B2D3.1010801@sina.com>
BUG move label_ from BaseLibSVM to BaseSVC

Currently, SVR has a label_ that raises an AttributeError because
of missing classes_.

Also corrected the deprecation warning which calls it labels_.
COSMIT decouple regression and classification in SVMs
use scipy.linalg in test_nmf.py
adding comment on why sparse frobenius is ok as done
DOC: typo in warning

Thanks for alexsavio for reporting
remove the equaldistance code warning, replace with doc warnings
typo fix
remove warning
warning removal
update warning box
deprecation warnings, indent fix
andys suggestions and test
COSMIT remove unused imports, pep8