blinkled: debugged for Black
blinkled.js: updated for 0.2 syntax

* Also stop other LEDs from blinking
* Don't use any globals
fade.js: updated for 0.2 syntax

* Not yet tested because of missing pwm sysfs entries on 3.8 kernel
* Removed usage of globals
server.js: clean-up for readability
loops.js/parallel.js: removed due to missing functions in 0.2
added express for the web server
package.json: correct node version requirement
Remove unused js-yaml
Added systemd files
server.js: Restore reference to bonescript
server.js: enable index.html and bonescript.js to be served up

* Removed the directory listing
* Made the 'Docs' folder of beaglebone-getting-started to be the default