Added jacoco for coveralls.io

Author: bcsorba

.travis.yml

@@ -2,3 +2,6 @@ install: mvn install -DskipTests=true -Dgpg.skip=true
 jdk:
   - oraclejdk8
 language: java
+after_success:
+  - mvn clean test jacoco:report coveralls:report
+  

pom.xml

@@ -96,6 +96,19 @@
 	<artifactId>coveralls-maven-plugin</artifactId>
 	<version>4.1.0</version>
       </plugin>
+      <plugin>
+	<groupId>org.jacoco</groupId>
+	<artifactId>jacoco-maven-plugin</artifactId>
+	<version>0.7.5.201505241946</version>
+	<executions>
+	  <execution>
+	    <id>prepare-agent</id>
+	    <goals>
+	      <goal>prepare-agent</goal>
+	    </goals>
+	  </execution>
+	</executions>
+      </plugin>
       <plugin>
 	<groupId>org.apache.maven.plugins</groupId>
 	<artifactId>maven-gpg-plugin</artifactId>