We prebuild two jar files with Maven:

mvn clean install
cp org.jacoco.agent.rt/target/org.jacoco.agent.rt-0.7.5.201505241946-all.jar org.jacoco.agent.rt-0.7.5.201505241946-all.jar
cp org.jacoco.core/target/org.jacoco.core-0.7.5.201505241946.jar org.jacoco.core-0.7.5.201505241946.jar
cp org.jacoco.report/target/org.jacoco.report-0.7.5.201505241946.jar org.jacoco.report-0.7.5.201505241946.jar
mvn clean