Fix CoffeeScript Dependency

packages.json did not include coffee-script.  The dependency has been
added and the README file updated to note the local method for starting
the application.

README.md

@@ -26,6 +26,12 @@ $ cp config/database.coffee.sample database.coffee
 
 ##Usage
 
+```
+$ ./node_modules/coffee-script/bin/coffee dbmonitor.coffee
+```
+
+or with global coffee-script install:
+
 ```
 $ coffee dbmonitor.coffee
 ```

package.json

@@ -6,6 +6,7 @@
   "dependencies": {
     "mysql-native": "0.4.x",
     "socket.io": "0.9.x",
-    "moment": "1.7.x"
+    "moment": "1.7.x",
+    "coffee-script": "1.3.x"
   }
 }