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/gaiaprofile.js

@@ -0,0 +1,32 @@
+'use strict';
+var fsPath = require('path'),
+    fs = require('fs');
+
+/**
+ * Detects the gaia profile inside of a runtime directory.
+ *
+ * @param {String} path of runtime.
+ * @return {String} location of base profile.
+ */
+function gaiaProfile (basePath, callback) {
+  var foundPath = false;
+  var pending = 2;
+
+  function next(path, exists) {
+    if (exists) {
+      foundPath = true;
+      callback(null, path);
+    }
+
+    if (--pending === 0 && !foundPath) {
+      callback(new Error('could not find path to gaia profile'));
+    }
+  }
+
+  var linux = fsPath.join(basePath, 'gaia', 'profile');
+  fs.exists(linux, next.bind(null, linux));
+  var macos = fsPath.join(basePath, 'Contents', 'Resources', 'gaia', 'profile');
+  fs.exists(macos, next.bind(null, macos));
+}
+
+module.exports = gaiaProfile;