Added a JMH benchmark for the class parser and the class generator (run with: mvn test -Pbenchmark)

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/bcel/trunk@1646584 13f79535-47bb-0310-9956-ffa450edef68
Removed the flag verification on the <clinit> methods (not required by the JVM spec, see BCEL-183)

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/bcel/trunk@1646588 13f79535-47bb-0310-9956-ffa450edef68
Fixed misplaced comments in Pass2Verifier

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/bcel/trunk@1646590 13f79535-47bb-0310-9956-ffa450edef68