Added new configuration parameter to limit the window size

SoObjects/SOGo/SOGoSystemDefaults.h

@@ -96,6 +96,7 @@
 - (int) maximumPingInterval;
 - (int) maximumSyncInterval;
 - (int) internalSyncInterval;
+- (int) maximumSyncWindowSize;
 
 @end
 

SoObjects/SOGo/SOGoSystemDefaults.m

@@ -621,4 +621,9 @@ _injectConfigurationFromFile (NSMutableDictionary *defaultsDict,
   return v;
 }
 
+- (int) maximumSyncWindowSize
+{
+  return [self integerForKey: @"SOGoMaximumSyncWindowSize"];
+}
+
 @end