first trial - midwork

start local memory

debugging

debugging

initial test

fixed bugs

modified test

moved test file

debugging

first trial - finished

* flake 8 changes

* flake 8 changes

* add missing imports

* code cleanup

* code clean up

* flake 8 changes

* code cleanup

* code cleanup

* code cleanup

* code cleanup

* add missing import

Use nvcc flags to compile with cuDNN

Fix for issue #4739

Fix for issue #4739

OpenCL support for Image2Neibs kernels

OpenCL support for Image2Neibs requires a bugfix for libgpuarray
in commit f8b8e156, otherwise python will crash in certain cases.

Use the six builtins

Speeding up local_gpua_careduce

Fix some problems in the buildbot

gpuarray tests should pass when floatX=float32 and add this to the daily buildbot

New graph2gpu

Decode bytes to string before split

Add in the doc cuDNN BN and new CPU parallelized operations

Simplification

added fd parameter to tcase

Sparse types do not have a "broadcastable" attribute.