Merge remote-tracking branch 'origin/master'

Author: phillwiggins

README.md

@@ -3,14 +3,17 @@ A rewrite of a library hosted on GitHub. This is not my own content but based on
 
 https://github.com/lotux/parse_server_dart
 
+## Join in!
+Want to get involved? Join our Slack channel and help out! FlutterParseSDK.Slack.com
+
 ## Getting Started
 
 ## To init Parse, call the method:-
 
 ```
 Parse().initialize(
-        appId: ApplicationConstants.PARSE_APPLICATION_ID,
-        serverUrl: ApplicationConstants.PARSE_SERVER_URL,
+        ApplicationConstants.PARSE_APPLICATION_ID,
+        ApplicationConstants.PARSE_SERVER_URL,
         masterKey: ApplicationConstants.PARSE_MASTER_KEY);
 ```