ceph-test.install:  Add libcephfs-test.jar to package.

Signed-off-by: Gary Lowell  <gary.lowell@inktank.com>
Merge branch 'wip-4222'

Fix for Bug 4222.  Add libcephfs-test.jar to the ceph-test package.

Signed-off-by: Gary Lowell  <gary.lowell@inktank.com>