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/scaffolding.less

@@ -0,0 +1,52 @@
+//
+// Scaffolding
+// --------------------------------------------------
+
+
+// Body reset
+// -------------------------
+
+body {
+  margin: 0;
+  font-family: @baseFontFamily;
+  font-size: @baseFontSize;
+  line-height: @baseLineHeight;
+  color: @textColor;
+  background-color: @bodyBackground;
+}
+
+
+// Links
+// -------------------------
+
+a {
+  color: @linkColor;
+  text-decoration: none;
+}
+a:hover {
+  color: @linkColorHover;
+  text-decoration: underline;
+}
+
+
+// Images
+// -------------------------
+
+// Rounded corners
+.img-rounded {
+  .border-radius(6px);
+}
+
+// Add polaroid-esque trim
+.img-polaroid {
+  padding: 4px;
+  background-color: #fff;
+  border: 1px solid #ccc;
+  border: 1px solid rgba(0,0,0,.2);
+  .box-shadow(0 1px 3px rgba(0,0,0,.1));
+}
+
+// Perfect circle
+.img-circle {
+  .border-radius(500px); // crank the border-radius so it works with most reasonably sized images
+}