JERSEY-1753: Resuming an AsyncResponse with a WebApplicationException results in a NullPointerException

 - closeables are now directly stored in the default closeable service (they're no longer stored as a request attribute)
 - moved registering of logHandler from ExceptionLoggingTest to JerseyTest

Change-Id: I083d5949c2f222c5d81d74acefa0d29c929e3d1b