merged from master

.travis.yml

 cache:
   directories:
     - $HOME/.yarn-cache
-    - $HOME/.gradle/caches/
-    - $HOME/.gradle/wrapper/
+    - $HOME/.gradle/
     - $HOME/.m2
     - $ANDROID_HOME/licenses/
 

package.json

   "description": "React Native Navigation - truly native navigation for iOS and Android",
   "license": "MIT",
   "nativePackage": true,
-  "author": "Daniel Zlotin <zlotindaniel@gmail.com>",
+  "author": "Tal Kol <talkol@gmail.com>",
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"
   },