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/fns/index.js

@@ -0,0 +1,25 @@
+import handleTwoHanded from './handleTwoHanded';
+import predictableRandom from './predictableRandom';
+import crit from './crit';
+import randomVal from './randomVal';
+import dotSet from './dotSet';
+import dotGet from './dotGet';
+import randomDrop from './randomDrop';
+import autoAllocate from './autoAllocate';
+import updateStats from './updateStats';
+import ultimateGear from './ultimateGear';
+import nullify from './nullify';
+
+module.exports = {
+  handleTwoHanded,
+  predictableRandom,
+  crit,
+  randomVal,
+  dotSet,
+  dotGet,
+  randomDrop,
+  autoAllocate,
+  updateStats,
+  ultimateGear,
+  nullify,
+};