edit readme to trigger travis build

Author: rozagerardo

ethereum/README.md

@@ -4,4 +4,3 @@
 - [Introduction to EthereumJ](http://www.baeldung.com/ethereumj)
 - [Creating and Deploying Smart Contracts with Solidity](http://www.baeldung.com/smart-contracts-ethereum-solidity)
 - [Lightweight Ethereum Clients Using Web3j](http://www.baeldung.com/web3j)
-