Findbugs : Fix path to .class for last gradle build tool
Use last gradle build tool
pmd, update custom rule set with android rule
Merge branch 'master' of https://github.com/tbarthel-fr/vb-android-app-quality

Conflicts:
	app/build.gradle
	config/quality/pmd/pmd-ruleset.xml
	gradle/wrapper/gradle-wrapper.properties