Nitrous: No shrinkwrap on install, no nvm
Updated nitrous conf.js
Nitrous: added premade mongodb
Nitrous: updated bootstrap to restore premade mongo data
Nitrous conf: Don't use http preview urls
Nitrous: don't preinstall groups module
Nitrous: Use non-fork repository
Merge pull request #22 from elliottwilliams/master

Nitrous setup integration
Merge branch 'master' into ID-83