TST/FIX ensure correct ducktyping for metaestimators
TST extend ducktype testing to handle #2853 case
FIX ducktyping for meta-estimators
TST more rigorous testing of delegation
remove _iff_attr_has_method function
don't give names to decorators
make attribute decriptor have the right docstring.
add regression test for docstring delegation
fix docstrings in sphinx
rename decorator
TEST A duplicate minimum value should not yield non-finite predictions in IsotonicRegression
FIX Adding eps to minimum value in clipping in IsotonicRegression
Fix typo in SVM docstrings
Merge pull request #3997 from pricingassistant/doc-typo-fix

Fix typo in SVM docstrings
STY remove unnecessary variable/operation
ENH sparse metric support for paired distances
DOC Add inline comment with reference to scipy issue
Merge pull request #3995 from jmetzen/fix_isotonic

[MRG] FIX Isotonic Regression for duplicate minimal value
Fix a typo on svm.rst
Merge pull request #4000 from he7d3r/patch-1

Fix a typo on svm.rst