Add envvars for deploying to cloud providers
Merge branch 'pr/18' into 0.2.3
Merge branch 'pr/14' into 0.2.3
Merge branch 'pr/15' into 0.2.3
merge upstream 0.2.3
workaround for express 4 connectMongo session bug
Merge branch 'pr/24' into 0.3.0

Conflicts:
	config/env/all.js
	config/express.js
	package.json