Add dist/ directory

The `dist/` directory is added in order to allow even less experienced
users (users that may not want to deal with the build script) to get
the latest changes, namely, what is in the `master` branch, but is not
yet released.

dist/js/plugins.js

@@ -0,0 +1,24 @@
+// Avoid `console` errors in browsers that lack a console.
+(function() {
+    var method;
+    var noop = function () {};
+    var methods = [
+        'assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error',
+        'exception', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log',
+        'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd',
+        'timeline', 'timelineEnd', 'timeStamp', 'trace', 'warn'
+    ];
+    var length = methods.length;
+    var console = (window.console = window.console || {});
+
+    while (length--) {
+        method = methods[length];
+
+        // Only stub undefined methods.
+        if (!console[method]) {
+            console[method] = noop;
+        }
+    }
+}());
+
+// Place any jQuery/helper plugins in here.