packaging: services: extend important limits to their hard limit

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1057654
Change-Id: Ib9f89a1519cf895e0e1504b3e344c9d0fc1481d6
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>