Cleaned up some warnings.
Squashed commit of the following:

commit c23280b0bcae4e88b1e0224f25b8e7d3592b6c97
Author: Dawid Weiss <dawid.weiss@carrotsearch.com>
Date:   Fri Mar 7 10:49:12 2014 +0100

    Fixed finally block to include jvm output.

commit d88cd3e94f7e3f7aed5569e498e9ddc63c95f5ce
Author: Dawid Weiss <dawid.weiss@carrotsearch.com>
Date:   Fri Mar 7 10:37:57 2014 +0100

    Updating code to new guava.
Fixes GH-158: If all tests of a class are known to be ignored the class itself should be omitted.
Merge branch 'master' into gh-122