Plugin support

- Homebridge is now designed to be `npm install`d globally and
executed via "homebridge" script
  - Remove all specific accessories/platforms except for an example
  - New internal structure and "cli"

bin/homebridge

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+
+//
+// This executable sets up the environment and runs the HomeBridge CLI.
+//
+
+'use strict';
+
+process.title = 'homebridge';
+
+// Find the HomeBridge lib
+var path = require('path');
+var fs = require('fs');
+var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
+
+// Run HomeBridge
+require(lib + '/cli')();