Merge pull request #1 from schmidsven/documentation

updated Readme Example

@Paul added momentum to gradient descent

@Paul added optimisation step executor

@Paul latest version

@Paul removed compute cluster

@Paul Fixed version of lodash needed

@Paul removed dependencies on external libraries

@Paul started to get rid of library dependencies

@Paul updated version number

@Paul changed escaping from training. Use escape character.

removed console.log statement

@Paul removed unused spec file

@Paul used eigenjs in helpers. Replaced underscore with lodash library. Added a functionality to exit training using ctrc-c key. Upped a version number

@Paul changing numericjs to eigenjs