Updated Broken link for Wiki and Community Calendar

Change-Id: Ie3576e05f53600ee234125b85ba0d69e0dbe128f
Signed-off-by: Akash Sethi <[email protected]>

Author: Akash Sethi

README.md

@@ -40,11 +40,11 @@ Full details of how to contribute to this project are documented [here](http://h
 
 [Hyperledger Slack](http://hyperledgerproject.slack.com) - if you need an invitation, try our [Slack inviter](https://slack.hyperledger.org)
 
-[Hyperledger Wiki](https://github.com/hyperledger/hyperledger/wiki)
+[Hyperledger Wiki](https://wiki.hyperledger.org/)
 
 [Hyperledger Code of Conduct](https://wiki.hyperledger.org/community/hyperledger-project-code-of-conduct)
 
-[Community Calendar](https://github.com/hyperledger/hyperledger/wiki/PublicMeetingCalendar)
+[Community Calendar](https://wiki.hyperledger.org/community/calendar-public-meetings)
 
 ## License <a name="license"></a>
 The Hyperledger Project uses the [Apache License Version 2.0](LICENSE) software