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/libs/updateStore.js

@@ -0,0 +1,31 @@
+import _ from 'lodash';
+import content from '../content/index';
+
+// Return the list of gear items available for purchase
+
+let sortOrder = _.reduce(content.gearTypes, (accumulator, val, key) => {
+  accumulator[val] = key;
+  return accumulator;
+}, {});
+
+module.exports = function updateStore (user) {
+  let changes = [];
+
+  _.each(content.gearTypes, (type) => {
+    let found = _.find(content.gear.tree[type][user.stats.class], (item) => {
+      return !user.items.gear.owned[item.key];
+    });
+
+    if (found) changes.push(found);
+  });
+
+  changes = changes.concat(_.filter(content.gear.flat, (val) => {
+    if (['special', 'mystery', 'armoire'].indexOf(val.klass) !== -1 && !user.items.gear.owned[val.key] && (val.canOwn ? val.canOwn(user) : false)) {
+      return true;
+    } else {
+      return false;
+    }
+  }));
+
+  return _.sortBy(changes, (change) => sortOrder[change.type]);
+};