FELIX-3891 better logging output

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1454655 13f79535-47bb-0310-9956-ffa450edef68
FELIX-3952 fix recursive deadlock

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1454656 13f79535-47bb-0310-9956-ffa450edef68