ENH make minibatch k-means use batches in prediction and computing labels
FIX : explained_variance_ratio_ in RandomizedPCA
update tests
better sparse support
pep8
update what's new
add test with sparse data
address @ogrisel's comments
fixed bug in mds.py

this error is raised in OSX 10.9 with float64: use np.allclose, make code cleaner and less buggy
added not
Merge pull request #2667 from kowalski87/master

fixed bug in mds.py
Merge pull request #2664 from agramfort/fix_randomized_pca

FIX : explained_variance_ratio_ in RandomizedPCA
Merge pull request #2660 from amueller/mbkmeans_compute_labels_fix_new

MRG make minibatch k-means use mini-batches in prediction
DOC: add phimeca testimonial
Merge pull request #2669 from GaelVaroquaux/phimeca

DOC: add phimeca testimonial
fix f_oneway with ints
pyflakes
Merge pull request #2671 from agramfort/fix_f_oneway_int

fix f_oneway with ints
BUG: OneVsOneClassifier was broken with string labels
MAINT use TruncatedSVD in pipeline tests

Prevents a DeprecationWarning.