packaging: add manual reference

empty manual to allow application to handle using single execution path.

as this is not really a manual, move out of /usr/share/doc/

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1002353
Change-Id: I00c6a0a554bf684c38f7db21fcbf31621996a0bd
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>