tweaks to output messages
update to node-webkit v0.8.0
fix c9.sh link logic in setup
vars in setup script to make future changes easier
rm unused var in server config
use shallow clone of cloud9 server to speed up setup
minor fixes for setup output
fix debugging multiple workspaces simultaneously

add `port` and `debugPort` auto-detection in `Servers.start()` and refactored `Workspaces.open()` accordingly
add support for `npm`-style package dependencies during `setup.sh` script to support new `async` dependency in `Servers.js`
add basic `npm` support for people with twitchy fingers with plenty of `npm install` muscle memory
use defaults.xml for workspace dirs without a .settings file; tweaked defaults; bump version to 0.1.4