fix issue 4303 : reshaping part

Disable python_constant_folding for GpuElemwise.

Hostname printout in do_nightly_build

Opt CpuContiguous -> GpuContiguous and add CpuContiguous.ard

Blocksparse for gpuarray

Hide the useless default nvcc output on Windows

flake8 tests pass; minor rephrasing of documentation

Update check trace to allow more argument types

Use the new GpuElemwise from libgpuarray

gpuarray GpuGemmBatch op

[MAIN] Doc, error message, remove optimization warning

Partial function evaluation

Fix crash in GpuAdvanvedIncSubtensor1 when unbroadcasting the value.

sumsqr2dot added to the opt.py

Fix crashes probably due to nvcc not handling unsigned int as we expect

Fix https://github.com/fchollet/keras/issues/2339 and fix https://github.com/fchollet/keras/issues/2345

Changed release doc to say new releases several times a year, instead…