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/tests/jsmarionette/runner/mozilla-profile-builder/lib/options/extracts.js

@@ -0,0 +1,29 @@
+'use strict';
+var fse = require('fs-extra');
+
+/**
+ * Recursively copy a directory of prebuilt files into a profile. Used for
+ * overwriting files in a clean profile for tests.
+ *
+ * Options:
+ *  - (Object) extract: Directory to copy into profile.
+ *
+ * @param {String} profile path to profile.
+ * @param {Object} options for directory.
+ * @param {Function} callback fires after successfully copying.
+ */
+function copyExtract(profile, options, callback) {
+  // we userPrefs was used in the past
+  var extractsDir = options.extracts;
+  // don't do anything unless there is a directory to copy
+  if (!extractsDir) {
+    return process.nextTick(callback.bind(null, null, profile));
+  }
+
+  fse.copy(extractsDir, profile, function(err) {
+    if (err) return callback(err);
+    return callback(null, profile);
+  });
+}
+
+module.exports = copyExtract;