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
rename example title
ENH actually use scikit-learn's PCA class in plot_pca_3d.py

U is not necessarily the same as V.T. Since it's not needed, I removed it.
DOC Add labels and some explanation to confusion matrix example
Switch off survey banner
newline at end of file
Merge pull request #1581 from jaquesgrobler/example_gallery_cleanup

MRG Example gallery cleanup
temp disable line-count-sort for gallery while fixing bug
DOC multiclass: typo and use case

Questions keep popping up on SO from users who needlessly use
sklearn.multiclass, e.g. building OneVsRestClassifier(LinearSVC()) models.
DOC: put feature extraction before pre-processing.
sort-by-line-count bug fixed
Merge branch 'master' of github.com:scikit-learn/scikit-learn