FELIX-3862 add thread dump on lock timeout

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1437107 13f79535-47bb-0310-9956-ffa450edef68
FELIX-3862 deal with service removed during activation

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1437108 13f79535-47bb-0310-9956-ffa450edef68