call pl.show
renamed datasets.cal_housing to datasets.california_housing
FIX: lars drop for good platform specific test failure
FIX + ENH: catch custom function argument errors and inform user

- added expception in case a user passes a non-tuple returning function and does not supply the derrivatives via fun_prime
- added an example on the custom function type expected to the docs
- added regression tests and positive tests
FIX #1354: machine precision assertion failure in test_liblinear_random_state
Merge branch 'master' of github.com:scikit-learn/scikit-learn
add plot titles
cosmit
Merge branch 'master' into gbrt-interactions
cosmit: docstrings
better narrative docs for partial dependence
cosmit: footnote header
empty instead of zeros
fixed the __repr__ method of cross_validation.Bootstrap, which failed if self.random_state is None
Updated fixes from larsmans
BUG: imports should be locals

Partly for Python 3 compat
MISC: wording of doc/comments in example
Merge pull request #1335 from robertlayton/clustdocs

Updated k-means documentation
DOC typo in k-means docs
Merge branch 'master' into gbrt-interactions