Revert "OAK-1474: revert changes made rev. 1572401"

This reverts commit 061bdb5fef8040cbc39b1040cd8190f169a8dfb3.

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1572672 13f79535-47bb-0310-9956-ffa450edef68
OAK-1474 ConfigurationBase must not use 'componentAbstract'

- now with correct activate signatures :-)

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/oak/trunk@1572673 13f79535-47bb-0310-9956-ffa450edef68