example title change
gallery effects,icon change,cleanups
typo fix and heading changes
fix indentation error-cause lots of build warnings
4 thumbs per row/hover effect/some cleanup
fix for iris dataset
line_count sort added, some changes reverted
move comment out of list
remove comment, undo change
COSMIT rm repetitive __main__ blocks from tests

These may seem convenient, but they have to updated along with the tests
and can give a false sense of security when that doesn't happen.
P3K developer docs
PY3: Disable lib2to3
PY3: fix urlopen in mldata and california housing loaders
PY3: used six.u to fix unicode variables in svmlight
PY3: fixed basestring in crossvalidation.py
PY3: six.moves.cStringIO to fix StringIO import
PY3: use b() convenience function for string literals

Had to use an exception in lfw.py; six.u didn't work
PY3: fix remaining cStringIO imports
PY3: ensuring file stream is read as binary
PY3: fix None comparison (when not in OS X) in test_k_means.py