Merge pull request #26 in ZP/z-push from bugfix/ZP-663-backendcombined-reduce-log-levels to develop

* commit '43dd0a50':
  ZP-663 Lower log level. Released under the Affero GNU General Public License (AGPL) version 3.

(cherry picked from commit d7647b75)

src/backend/combined/combined.php

@@ -78,7 +78,7 @@ class BackendCombined extends Backend {
             ZPush::IncludeBackend($b['name']);
             $this->backends[$i] = new $b['name']();
         }
-        ZLog::Write(LOGLEVEL_INFO, sprintf("Combined %d backends loaded.", count($this->backends)));
+        ZLog::Write(LOGLEVEL_DEBUG, sprintf("Combined %d backends loaded.", count($this->backends)));
     }
 
     /**
@@ -119,7 +119,7 @@ class BackendCombined extends Backend {
         }
 
         $this->logon_done = true;
-        ZLog::Write(LOGLEVEL_INFO, "Combined->Logon() success");
+        ZLog::Write(LOGLEVEL_DEBUG, "Combined->Logon() success");
         return true;
     }
 
@@ -157,7 +157,7 @@ class BackendCombined extends Backend {
                 return false;
             }
         }
-        ZLog::Write(LOGLEVEL_INFO, "Combined->Setup() success");
+        ZLog::Write(LOGLEVEL_DEBUG, "Combined->Setup() success");
         return true;
     }