Revert source & guava back to original versions


Did not cause problems
Remove @AfterAll, did not cause problem after all
Skip bridge methods when finding test methods.

This prevents Havarunner from running same tests multiple times on java8.

See http://mail.openjdk.java.net/pipermail/jdk8-dev/2014-January/003955.html and
https://bugs.openjdk.java.net/browse/JDK-6695379