Be more flexible and allow misbehaving threads to continue to issue class load
requests on class loaders from disposed of bundle wirings. Also attempt to
give a reasonable exception when a new class load request is made on a class
loader from a disposed bundle wiring. (FELIX-3907)


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1452999 13f79535-47bb-0310-9956-ffa450edef68