Remove opentype.js from the root directory.
Server now automatically builds in "build" dir.
Update Bower.json.
Update CONTRIBUTING file.

No more updating of built files!
Remove old build files.
Add installation instructions.
Correct checking of difference between Node and browser.
Use --bare to get cleaner Browserify builds.
All HTML pages use correct opentype.js.
Make it clear that links to dist/opentype.js get rewritten.
We don't need Lo-Dash at all.
Delete bower generation script.
Version 0.3.1.