packaging: proxy: rename proxy httpd conf.d file

in rhel the mod_proxy_ajp is loaded at its own conf.d file named
proxy_ajp.conf.

out proxy should be loaded after this configuration file to make sure
the proxy is loaded and the proxy_ajp_module symbol is available.

Change-Id: Ic37b672d262985b38ea253c165ae2234d70963d2
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
packaging: do not fail if /var/tmp/ovirt-engine missing

Change-Id: If189b0380911f857b5b412436b966801bb4827a2
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
packaging: engine-setup re-write using otopi

Change-Id: I4d5e3ac7927802326e324c9b98ada75b421638aa
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Signed-off-by: Alex Lourie <alourie@redhat.com>