Updated Tracer (markdown)
Created ChartTracer (markdown)
Updated Array2DTracer (markdown)
Updated WeightedDirectedGraphTracer (markdown)
Updated DirectedGraphTracer (markdown)
Updated Project Details (markdown)
Updated Contributing (markdown)
Updated Home (markdown)
Updated WeightedUndirectedGraphTracer (markdown)
removed node.js version < 0.12 Promise error resolving description for now
Added instruction to make the App Node.js Versions < 0.12 compatible
Created Contributing (markdown)
Updated ECMAScript 6 (markdown)
Created ECMAScript 6 (markdown)
Updated Array1DTracer (markdown)