DestroyHandler should not overwrite existing rval[app] values

[CRASH] fix crash. fix gh-5291.

This solves a problem for Ops with more than one in-place input.

broadcastable test for binomial, multinomial and normal

Uninitialized memory returned from empty GpuGemv dot-product

Fix in advanced_inc_subtensor1 if index is broadcastable

Gpuarray average and max pooling

Clean up and also fix the crash in the code example of gh-4679.

Removed save_every_N sequence size limitiation.

Fix blas detection in corner case

Clarify GPU memory pre-allocation in new and old backend

New frozen dict

Add miniconda.sh and installation to TRAVIS cache.

Clean up and maybe fix gh-5273. No test for the fix to issue.

Fix one test in debugmode

Dimshuffle{0,2}(Subtensor[i:j, :, k:l]) => Subtensor[i:j, 0, k:l] #4647

Make mrg_uniform_base to be broadcastable

Add a better error for scan pushout failure

GPU gemv speedup