Update README.md

- the name has a dash, not a period.

README.md

@@ -1,12 +1,10 @@
-### Welcome to bitcoinj.cash
+### Welcome to bitcoinj-cash
 
 The bitcoinj.cash library is a Java implementation of the Bitcoin cash protocol. This library is a fork of Mike Hearn's original bitcoinj library aimed at supporting the Bitcoin cash eco-system.
 
 It allows maintaining a wallet and sending/receiving transactions without needing a full blockchain node. It comes with full documentation and some example apps showing how to use it.
 
-For support and discussion please join us on the [mailing list](https://groups.google.com/forum/#!forum/bitcoinj-cash).
-
-Release notes are [here](docs/Releases.md).
+If there is something that needs to be updated or fixed, please create an issue.
 
 ### Technologies