Began noisy version of backprop averaging over T 3 times before each update.

Wrote a function to propagate the noisy system for T timesteps, and began computing the appropriate quantities to compute noisy backprop
BP works for single layer

Got noisy BP working (checked in linear case) and next will extend to multiple layers
Extended and fixed local noisy BP

Extended for noisy BP over all layers and fixed the problem that I was averaging over the wrong noise and not updating
Converted the noisy backprop to a function

Just Converted the noisy backprop to a function, need to convert other files still