Common reorg (#8025)

* Re-organize common folder

* fix: Correct paths in tests

* fix: move new content to proper folder

* chore: Move audio folder to assets

* Move sprites to sprites assets directory

* Move css sprites to assets directory

* Split out readmes for common code and sprites

* Move images to assets directory

* Move destinatin of shared browserified file

* remove unused file

* move compiled js to client-old

* Fix karma tests

* fix: Correct paths for sprites

website/common/script/content/appearance/index.js

@@ -0,0 +1,33 @@
+import hair from './hair';
+import shirts from './shirt.js';
+import skins from './skin.js';
+import sizes from './size.js';
+import backgrounds from './backgrounds.js';
+import chairs from './chair.js';
+import {forOwn, clone} from 'lodash';
+
+let reorderedBgs = {};
+
+forOwn(backgrounds, function restructureBackgroundSet (value, key) {
+  forOwn(value, function restructureBackground (bgObject, bgKey) {
+    let bg = clone(bgObject);
+    bg.set = {
+      text: key,
+      key,
+      setPrice: 15,
+    };
+    reorderedBgs[bgKey] = bg;
+  });
+});
+
+
+let appearances = {
+  hair,
+  shirt: shirts,
+  size: sizes,
+  skin: skins,
+  chair: chairs,
+  background: reorderedBgs,
+};
+
+module.exports = appearances;