pep8
skip cuda tests with opencl back-end.
pep8
Add GPUContiguous to the new back-end
fix typo and path to fct.
remove var not used.
use the new interface macro.
Add test for specify shape in the new back-end.
Use the good class name
Use the good code to check for errors.
better test.
Skip GpuElemwise tests with the c linker on the opencl back-end.
Skip elemwise tests with c linker with opencl back-end.
[ENH] Make opt use the opencl version of the op for opencl device
Don't use full path.
fix test crash
Merge pull request #1925 from nouiz/gpuarray

GpuContiguous, tests, better opencl support