Merge pull request spinnaker#124 from thomsonreuters/master

Update logrotate file permissions

Author: cfieber

igor-web/igor-web.gradle

@@ -111,6 +111,7 @@ ospackage {
     into('/etc/logrotate.d')
     user = 'root'
     permissionGroup = 'root'
+    fileMode = 0644
     fileType = CONFIG | NOREPLACE
   }
 }