fix crash of profiling atexit when it clashes with pycuda atexit handler

Crash fix in IncSubtensor.grad

Used traceback module to set name of theano.function to file_name:line_number.

Doc

disable complex support in gpu reduce.

Started it, but I didn't finished it and I have other stuff to finish...

[ENH] speed up reduction on the colums of matries.

Add function_dump() to help user give us reproducable example.

Add check on the output of NumPy.

Add warning if the cuda lib dir is in the -L path.

[BUG] Do a copy when NumPy didn't allocate new memory.