Reworking project for quality.
Clean findbugs config.
Update ReadMe of demo branch.
Add new lints files
update gitignore
Stop tracking uneeded file
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
Merge branch 'demo' of https://github.com/vincentbrison/vb-android-app-quality
Update ReadMe.
Fix findbugs config
Merge pull request #2 from tbarthel-fr/master

Tweak PMD
Enable syntax highlighting for Gradle snippets.
Merge pull request #3 from johnjohndoe/feature/syntax-highlighting

Enable syntax highlighting for Gradle snippets.
Update README.md

Remove outdated section about AAR.
add some demo test