ATF-938 Maven configuration and findbugs meta files

Signed-off-by: Piotr Findeisen <piotr.findeisen@syncron.com>
ATF-938 Test scaffolding

Signed-off-by: Piotr Findeisen <piotr.findeisen@syncron.com>
ATF-933 Prevent usage of Throwable.printStackTrace

Signed-off-by: Piotr Findeisen <piotr.findeisen@syncron.com>
ATF-933 More tests for PrintStackTraceDetector