Add supported python versions to the classifiers + fixes
Merge pull request #2280 from larsmans/randomsearch-scoring

[MRG] Randomized search should use new scorer API
Merge pull request #2281 from ogrisel/improvements-to-setup-py

Add supported python versions to the classifiers + fixes
Add failing test for libsvm random state proba
FIX support random state in libsvm
DOC document changes in LIBSVM_CHANGES
DOC update docstrings to reflect libsvm random_state
Fix libsvm seed when predict_proba in tests and examples
Clarify and make libsvm random seed more consistent
Comment predict params in libsvm
more sphinx fixes
DOC reference and rename cross decomposition module
ENH: add failing test exposing bug in RandomizedPCA
FIX: only center if copy == True
ENH: get it right.
FIX: inverse_transform; tests
DOC better doc message
API: get rid of **params in PCA estimators.
DOC: more doc string fixes in pca.py
DOC: more fixes in pca.py doc strings