Update .travis.yml

Author: karthiksaligrama

.travis.yml

@@ -10,4 +10,7 @@ sudo: true
 script:
     - sudo rm /etc/mavenrc
     - export MAVEN_OPTS="-Xms512m -Xmx1024m -XX:PermSize=256m -XX:MaxPermSize=512m"
-    - mvn clean install -Dmaven.javadoc.skip=true
+    - mvn clean install -Dmaven.javadoc.skip=true cobertura:cobertura
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)