Scan reintroduced

Don't use march flags in cutils to help don't have the architecture m…

Fix for #4514

Support -std=c++11 as flag to nvcc

Corrected contradictions in sparse doc

d3viz improvements for Python 3

conda provides pydot-ng neither for 2.6 nor for 3.3

adding variable name in error messages raised by calling a function

Fix a test regression when we moved the new back-end

Gpu opt

Fix copy-paste error in docs.

More aliases, reordered.