TEST: forgot to checkin the unittest for the make_rng function
ENH: add test for picklability of the spectral clustering model
Merge branch 'master' into l1_logreg_minC
DOC: added reference to l1_min_c
the l1 logreg example now works with l1_min_c
coverage 100% + pep8 small fix
Merged pull request #135 from paolo-losi/l1_logreg_minC.

L1 logreg min c
DOC: fix links to l1_min_c
Reintroduce empirical_covariance function + docstrings + cosmit.
FIX: reference to l1_min_c
Merge branch 'covariance' of git://github.com/VirgileFritsch/scikit-learn
Cosmetic changes in covariance.
DOC: add low-level methods from libsvm.
FIX: fix rename of grid_scores_
Do not open file write file until download is complete.

This way we avoid (or more precisely minimize) the need to deal with
partially downloaded files and the errors that arise when you
Control-C a started download.
FIX: make normalizer use the real l1 norm on each row (without assuming positive values)
Add tests for libsvm.cross_validation.
ENH: Update joblib

This update mainly fixes a heisen bug in Parallel's doctests.
Merged pull request #140 from fabianp/lfw.

Do not open file write file until download is complete.
Copied the Sparse PCA file from the gist