Added docstrings for model attributes in LabelPropagation and LabelSpreading
Merge pull request #2799 from charlescearl/charles-label-prop-doc-updates

Added docstrings for model attributes in LabelPropagation and LabelSprea...
Fixed documentation on sklearn/tree
Merge pull request #2800 from eltermann/doc-fix-tree

Fixed documentation on sklearn/tree
Merge remote-tracking branch 'upstream/master' into fix-DeprecationWarning