FIX catch deprecation warning
COSMIT (don't change anything see sparse_random_matrix)
Added CSC matrix testing for binarize and added type tests.
Move more minor contributors to what's new file.
Remove contact address.

Since we have decided to restrict the file to core contributors,
there's little chance we have forgotten any outstanding contributor.
revert changes to grid_search
FIX: import
revert implementation of sample weights in BaseWeightBoosting.staged_score
revert a few spurious changes
pep8 + pyflakes, use arrays for errors_ and weights_
init weights_ to zeros and errors_ to ones
add Hastie 10.2 example
pep8
Typo
FIX add doctest ellipsis
FIX doctests dtype
COSMIT remove empty file
fix: docstring for power_t in SGDClassifier was not correct (0.25 instead of 0.5)
cosmit: rephrased doc
COSMIT shut up the build by calling np.import_array in Cython modules

$(make in 2>&1 | wc -l) down from 706 to 517.

Took the liberty of modernizing some of the Cython code while I was at it.