Resolve "Debian package: use dbconfig-common"

Closes #469 (closed)

debian/template/postinst

@@ -46,7 +46,7 @@ case "$1" in
     dbc_load_include="sh:/etc/minerva/old.sh"
 
     # Need to start postgresql, so it doesn't fail on the installer
-    invoke-rc.d --force postgresql restart || true
+    invoke-rc.d postgresql restart || true
     dbc_go minerva $@
 
     # if there is a config file generated by db_config_common (on upgrade this file might not be generated)