Remove printer handler and printer manager interface, remove category support and use java 1.4 as the base

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1450134 13f79535-47bb-0310-9956-ffa450edef68
FELIX-3093 - fix some tests on KF

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1450135 13f79535-47bb-0310-9956-ffa450edef68