try sonar runner, update gradle and groovy.
add configuration for sonar runner
fix driver class name.
reenable jacoco.
point xml files at a specific directory.
try pointing sonar at jacoco.xml.
remove trying to force jacoco into cobertura, trying jacoco property.
Merge branch 'gradle2' of https://github.com/dyercode/ono

Conflicts:
	build.gradle
	gradle/wrapper/gradle-wrapper.jar
	gradle/wrapper/gradle-wrapper.properties