FELIX-3971 keep the same customizer since it is difficult to transfer state when configuration changes.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1457985 13f79535-47bb-0310-9956-ffa450edef68
FELIX-3971 tests for configuration change effects

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1457986 13f79535-47bb-0310-9956-ffa450edef68
FELIX-3971 (disabled due to uncertainty about correct behavior) test for factory component

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1457987 13f79535-47bb-0310-9956-ffa450edef68
FELIX-3971 simplify tracker tracking

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1457988 13f79535-47bb-0310-9956-ffa450edef68