Merge pull request #27 from passy/usage-update

Updated USAGE

app/USAGE

@@ -1,8 +1,17 @@
 Description:
-    The 'yeoman init' command creates a new web application.
+    Creates a new basic front-end web application.
+
+Options:
+    Twitter Bootstrap: Include Twitter Bootstrap for Sass
+    RequireJS: Add support for AMD-loading via RequireJS
 
 Example:
-    yeoman init
+    yo webapp
+
+    This will create:
+        Gruntfile.js: Configuration for the task runner.
+        component.json: Front-end packages installed by bower.
+        package.json: Development packages installed by npm.
 
-    This generates a skeleton for a web app.
-    See the README in the newly created application to get going.
+        app/: Your application files.
+        test/: Unit tests for your application.