setup.py: replaced calls to open() with codecs.open() to read non-ASCII characters...

Replaced calls to open() with codecs.open() to read non-ASCII characters in NEWS.txt, DESCRIPTION.txt

Allow permutation to return just one permutation.

fix gh-2180

Try using miniconda instead of pip for scipy

Reported by chadawagner fix gh-2176

It had been added in e399de59

This cause some advanced subtensor to infer False for broadcast instead of True.

fix in part gh-2165

Add pseudo-math in the docstring for GemvSS and OuterSS.
Closes #2141

Fix buildbot errors.

Add a mode to docgen to run the code samples in the documentation.

fix gh-2158

Dnn conv doc

Added code to calculate new shape when '-1' is provided as a value for a...

Add 3d correlation based on blas matrix multiplication 

fixing #1356