return_hidden_layers
Merge commit '3e837' into cursor

o explain why this merge is necessary,
Merge branch 'separate' into cursor
Backward state option
Merge remote-tracking branch 'origin/separate' into cursor
Remove extra parameter
Backward RNN thing seems to work
ConcatenateLayer
Timing conversion script
Merge backward and hidden states
Simplify hidden state initialization
Refactor conversion script
Refactor annotation
Compute c dimensionality
Paths for helios
Merge branch 'cursor' into separate