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/responsive-1200px-min.less

@@ -0,0 +1,28 @@
+//
+// Responsive: Large desktop and up
+// --------------------------------------------------
+
+
+@media (min-width: 1200px) {
+
+  // Fixed grid
+  #grid > .core(@gridColumnWidth1200, @gridGutterWidth1200);
+
+  // Fluid grid
+  #grid > .fluid(@fluidGridColumnWidth1200, @fluidGridGutterWidth1200);
+
+  // Input grid
+  #grid > .input(@gridColumnWidth1200, @gridGutterWidth1200);
+
+  // Thumbnails
+  .thumbnails {
+    margin-left: -@gridGutterWidth1200;
+  }
+  .thumbnails > li {
+    margin-left: @gridGutterWidth1200;
+  }
+  .row-fluid .thumbnails {
+    margin-left: 0;
+  }
+
+}