Consistently indent by 2.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/bcel/trunk@1600807 13f79535-47bb-0310-9956-ffa450edef68
Add more reports: FindBugs, PMD, Checkstyle.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/bcel/trunk@1600809 13f79535-47bb-0310-9956-ffa450edef68