Swap width and height variable names in spatial layers
Swap width and height variable names in examples
DropoutLayer: Use nonsymbolic shape for dropout mask if possible
Impl now requires an input_layer with a 'get_output_shape' method.
Fix brittleness funny.
Changed height to rows and width to columns for variable names in spatial layers.
Merge pull request #79 from dimatura/swap_width_height

Swap width and height variable names in spatial layers
Merge pull request #1 from dnouri/dropout-mask-shape

Impl now requires an input_layer with a 'get_output_shape' method.
Merge pull request #80 from f0k/dropout-mask-shape

DropoutLayer: Use nonsymbolic shape for dropout mask if possible
remove weight decay argument from momentum update functions. Fixes #69.