Beginning rprop algorithm.
Updated directory structure of training files.
Bugfix: fixed directories in require calls of algorithm files.
Updating rprop algorithm.
Updated backprop algorithm.
progress 9.3.14
Backpropagation updates.

Fixed backpropagation in accordance with the new functions for
calculating the error and gradients in the system.js file.
Updates to prop algorithm. Still non-functional.
progress 16.3.14
Merge pull request #1 from ajthor/development

Progress 16.3.14