update with changes from Production branch

app/assets/javascripts/sidebar.js

@@ -0,0 +1,32 @@
+$(document).ready(function() {
+  // if affix function exists
+  if ($.fn.affix) {
+
+    // add sidebar affix
+    $('#bootstrap-sidebar').affix();
+
+    // add sidebar scrollspy
+    $(document.body).scrollspy({ target: '#leftcol', offset: 300 });
+
+    // add smooth scrolling
+    $("#bootstrap-sidebar li a[href^='#']").on('click', function(e) {
+      // prevent default anchor click behavior
+      e.preventDefault();
+
+      // store hash
+      var hash = this.hash;
+
+      // animate
+      $('html, body').animate({
+        scrollTop: $(this.hash).offset().top - 90
+      }, 300, function(){
+        // when done, add hash to url
+        // (default click behaviour)
+        window.location.hash = hash;
+      });
+
+    });
+
+  }
+});
+