Added additional test cases that pertain to JENA-628.  This is a sanitized version of a customer query in our regression suite where the changed filter placement behaviour broke the query when using the don't break BGPs mode.  As part of adding this test case I also found and fixed a case where filter pushing was not respecting the includeBGPs flag when considering whether to push into quadpatterns

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1588554 13f79535-47bb-0310-9956-ffa450edef68
Remove spurious System.out.println() that I'd been using for debugging

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1588556 13f79535-47bb-0310-9956-ffa450edef68