Minor jshint fixes.
Merge pull request #30 from evanj/master

Add forge.random.seed() to seed the internal PRNG. Thanks @evanj!
Create forge globally w/o specifying "window".

- This enables forge to be attached to web workers without having
  to create a dummy window object.
Add method for converting HTTP response to string.
Fix documentation bug.
Rewrite some sync vs. async calls, expose seedFileSync.
Collect ints using LSB first.
Expose random ctx by extending it.
Add async rsa keygen implementation that uses web workers.
Remove unnecessary includes.
Add simple script to minify modules required for RSA support.
Rename vars.
Remove trailing comma.
Do not use '$', always extend forge.random with _ctx.
Avoid redefining a new context for random when reloading script.
Add examples to README.
Fix some typos.
Fix bad link.
Add ASN.1 pretty print example.
Fix bad links.