Merge branch 'master' into lini/fix-android-token-exception

Author: lini

.travis.yml

@@ -85,15 +85,6 @@ android:
     - android-23
     - extra-android-m2repository
 
-before_cache:
-    - rm -f $HOME/.gradle/caches/modules-2/modules-2.lock
-
-cache:
-    directories:
-        - .nvm
-        - $HOME/.gradle/caches/
-        - $HOME/.gradle/wrapper/
-
 install:
     - npm install -g nativescript
     - tns usage-reporting disable

README.md

@@ -475,6 +475,6 @@ We love PRs! Check out the [contributing guidelines](CONTRIBUTING.md). If you wa
 
   
 ## Get Help 
-Please, use [github issues](https://github.com/NativeScript/nativescript-facebook/issues) strictly for [reporting bugs](CONTRIBUTING.md#reporting-bugs) or [requesting features](CONTRIBUTING.md#requesting-new-features). For general questions and support, check out the [NativeScript community forum](https://discourse.nativescript.org/) or ask our experts in [NativeScript community Slack channel](http://developer.telerik.com/wp-login.php?action=slack-invitation).
+Please, use [github issues](https://github.com/NativeScript/nativescript-facebook/issues) strictly for [reporting bugs](CONTRIBUTING.md#reporting-bugs) or [requesting features](CONTRIBUTING.md#requesting-new-features). For general questions and support, check out [Stack Overflow](https://stackoverflow.com/questions/tagged/nativescript) or ask our experts in [NativeScript community Slack channel](http://developer.telerik.com/wp-login.php?action=slack-invitation).
   
 ![](https://ga-beacon.appspot.com/UA-111455-24/nativescript/nativescript-facebook?pixel)