Visualizer Implemented

Created a html/js visualizer using the [Javascript InfoVis Toolkit](http://philogb.github.com/jit/demos.html) [spacetree](http://philogb.github.com/jit/static/v20/Docs/files/Visualizations/Spacetree-js.html). 

**Bug Fixes**
- Shred Constructor wasn't displaying 

**Key Features**
- Added JSON Export Feature for Binary Tree
- Static HTML/JS visualizer for analyzing output
- Image comparison included in visualizer
- Added visualizer subdirectory to project Jigsaw Test

![visure](https://f.cloud.github.com/assets/839972/147925/6251c200-74e0-11e2-9c91-a1706e0ea438.PNG)