FELIX-4318 - prepare for initial release of JAAS Bundle

Adding ProviderType to LoginContextFactory and ConsumerType to LoginModuleFactory

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1542981 13f79535-47bb-0310-9956-ffa450edef68
FELIX-4318 - prepare for initial release of JAAS Bundle

Minor pom cleanup and updating bnd lib version to 2.1.0

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1542982 13f79535-47bb-0310-9956-ffa450edef68