FELIX-4334: When a dependency is modified, the component "change" callback must be invoked
if the dependency service "isInstantiated()" method is true. Indeed, changed callbacks
shall be invoked even if the component is in the "waiting for required (instantiated)" state.


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1546540 13f79535-47bb-0310-9956-ffa450edef68