Add sleep time before configuring db first time
Add sleep time before configuring db first time

Portus will offen fail connecting database, if operating immediately
after mariadb container starting. So it's better adding some seconds
for waiting.

Signed-off-by: depay <d75c074599ff6bdecf06069d103892ad343ed484@163.com>

kwk/Portus,mssola/Portus,vpereira/Portus,SUSE/Portus,mssola/Portus,kwk/Portus,SUSE/Portus,jloehel/Portus,vpereira/Portus,jloehel/Portus,krishnak9/Portus,mssola/Portus,kwk/Portus,SUSE/Portus,vpereira/Portus,angry-tony/Portus-20170827,SUSE/Portus,angry-tony/Portus-20170827,krishnak9/Portus,krishnak9/Portus,angry-tony/Portus-20170827,krishnak9/Portus,mssola/Portus,jloehel/Portus,angry-tony/Portus-20170827