Fixed link typo
Merge branch 'master' into WIP_tut
FIX : fix SVM examples with new scale_C=True
DOC rudimentary docstring to deprecated.__init__ describing "extra"
Simple linear regression example added to tut
DOC C is pretty large now...
MISC class_weights constructor parameter in RidgeCV
Fixed spelling error,import lines,figures and html links for shrinkage section
FIX: make GridSearchCV work with precomputed kernels
raise ValueError when given a kernel_function or a non-square kernel matrix + some tests
Fixed a small typo
Added links, images and docstrings to some plot files
ENH: small speedups in coordinate descent

speedup of only ~ 5%, but for little cost
Revert "ENH: small speedups in coordinate descent"

This reverts commit d434a39e76b5caa96bd0b5a3f1442b6648b727dc.

Apparently it creates numerical instabilities on some systems.
FIX : Fixed bug in single_source_shortest_path_length in sklearn.utils.graph
ENH/FIX: in graph shortest path

Fix doctest and minor simplification
BUG: fibonacci heap implementation
TEST: non-regression test for fibonacci heap bug fix
Generate c-code with cython 0.15.1
Faster hierarchical cluster for very dense trees

On the specific example on which I am working this change went from
26.11s to 0.86.