Fixed MQTT examples.
Fixed typos.
Removed Makefile in favor of package.js automation.

JSHinted everything.
Dependencies updated.
Removed useless index.js file.
Added the CoAP instructions to the README.
Added 'updated' event on the Ponte instance.
Extracted server definition from main file.
Added the embedded mode to the README.
Updated coap dependency to 0.5.3.
Bumped v0.0.7.
Merge branch 'master' into eclipsecontribution

Conflicts:
	bin/ponte
	index.js
	test/coap_spec.js