MOD use safe_asarray instead of np.asarray
MISC update my mailmap
added links to astropy and scipy workflow guids
Merge pull request #1564 from jaquesgrobler/contributor_guide_links

added links to astropy and scipy workflow guids
MOD address @mblondel's comments
MOD move generating matrix out of the loop
DOC: Fixed wrong link and formatting in decomposition docs
DOC: fixed latex and formatting in SVM docs
Merge pull request #1563 from kuantkid/sparse_knn_graph

KNN graph fails for sparse inputs
DOC more accurate comment in class weight computation
FIX make sure laplacian in spectral clustering test is really PSD
DOC: more consistency in metrics docstrings
DOC: More consistency in metrics and clustering metrics docstrings
DOC: more consistency in docstrings for unsup clustering metrics & missing link
DOC: fixed missed details in metrics docstrings
DOC: addressed more inconsistencies in metrics docstrings
Merge branch 'master' of github.com:scikit-learn/scikit-learn into adaboost

Conflicts:
	sklearn/metrics/metrics.py
Merge pull request #23 from glouppe/adaboost

Adaboost