Reload configuration after change in ports.conf

This patch proposes add check if was some changes in
apache configuration file and restart service after it.

Related-Prod: OSCORE-399

Change-Id: I610c4aea65c8f0a4be065580b4d1bd7c865510f9
diff --git a/horizon/server/service.sls b/horizon/server/service.sls
index dfe0a66..e7fd51c 100644
--- a/horizon/server/service.sls
+++ b/horizon/server/service.sls
@@ -66,8 +66,6 @@
   - mode: 644
   - user: root
   - group: root
-  - require_in:
-    - service: horizon_services
   - require:
     - pkg: horizon_packages
 
@@ -103,6 +101,7 @@
     - file: horizon_config
     - file: horizon_apache_config
     - file: horizon_log_file
+    - file: horizon_apache_port_config
 
 horizon_log_dir:
   file.directory: