Add grunt.js build script

- Move Bootstrap LESS files into new subdirectory

- Change app.css to app.less, add @import's to utilize
Bootstrap variables and mixins

- Remove plugins.js and main.js

- Move Bootstrap JS plugins into new subdirectory

- Add new _main.js file with example DOM-based routing
script that works off the WordPress body_class

- lib/scripts.php has been updated to remove all extra
CSS and JS files and also places JavaScript in the footer

assets/css/less/bootstrap/layouts.less

@@ -0,0 +1,16 @@
+//
+// Layouts
+// --------------------------------------------------
+
+
+// Container (centered, fixed-width layouts)
+.container {
+  .container-fixed();
+}
+
+// Fluid layouts (left aligned, with sidebar, min- & max-width content)
+.container-fluid {
+  padding-right: @gridGutterWidth;
+  padding-left: @gridGutterWidth;
+  .clearfix();
+}