Update README.md
#321. Prototype code
Update requirements.js
Allows PB to run as a single process instead of relying upon the cluster module.
Fixes #321. Provides a media storage mechanism powered by GridFS.
#321 - Cleanup
Merge pull request #335 from pencilblue/story/PB321

#321 Mongo Media Provider
Merge pull request #336 from pencilblue/story/MANAGED_MODE

Allows PB to run as a single process instead of relying upon the cluster module.
Merge branch 'master' into v0.3.0RC

Conflicts:
	include/config.js