DOC: add random_state parameter to StratifiedShuffleSplit doc string
Merge pull request #1907 from aflaxman/stratified_shuffle_split_rand_state_doc_str

DOC: add random_state parameter to StratifiedShuffleSplit doc string
ENH speed up TfidfTransformer using spdiags

Fixes #1895.
mailmap entry for @lqdc
REFACTOR combine train_wrap and csr_train_wrap

Fixes #1873.
Added sponsors to the about.rst page
Spelling mistake
DOC add 2012 GSOC students
DOC define validation before cross validation

In response to @amueller's remarks at #1766.
COSMIT: labels in plot_lasso_coordinate_descent_path
DOC: Replaced all BSD style licenses with "BSD 3 clause"

Replaced all BSD style licenses with "BSD 3 clause"
Not checked yet!

Removed duplicate "3 clause, 3 clause"

Removed trailing period if exists

Fixed some missed licences, still about 50 to do, but those can be automated

Think I got the last of them.

Apparently me and sed have different ideas of regex.

Found a few more
DOC typos in cross-validation description

Spotted by @jnothman.
ENH: faster preallocation and integer type for the accumulators
clean up mailmap/deduplicate contributors

Notably, @vmichel was listed twice for 48 and 22 commits, resp.
FIX: use the mldata mock in docstring as well
Merge pull request #1913 from Jim-Holmstroem/refactored_precision_recall_fscore_support_to_count_with_integer_type

MAINT: Faster preallocation and count with integer-type in `precision_recall`