Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/apps/system/test/unit/mock_screen_layout.js

@@ -0,0 +1,23 @@
+'use strict';
+/* exported MockScreenLayout */
+
+var MockScreenLayout = {
+  setting: {},
+  setDefault: function msl_setDefault(setting) {
+    for (var name in setting) {
+      this.setting[name] = setting[name];
+    }
+  },
+
+  isOnRealDevice: function msl_isOnRealDevice() {
+    return this.setting.isonrealdevice;
+  },
+
+  getCurrentLayout: function msl_getCurrentLayout(type) {
+    return this.setting[type];
+  },
+
+  mTeardown: function msl_mTeardown() {
+    this.setting = {};
+  }
+};