Add codecov batch

Author: majst01

README.md

@@ -3,6 +3,7 @@ influxdb-java
 
 [![Build Status](https://travis-ci.org/influxdata/influxdb-java.svg?branch=master)](https://travis-ci.org/influxdata/influxdb-java)
 [![codecov.io](http://codecov.io/github/influxdata/influxdb-java/coverage.svg?branch=master)](http://codecov.io/github/influxdata/influxdb-java?branch=master)
+
 This is the Java Client library which is only compatible with InfluxDB 0.9 and higher. Maintained by [@majst01](https://github.com/majst01).
 
 To connect to InfluxDB 0.8.x you need to use influxdb-java version 1.6.