Moved +shouldAutomaticallyMapHEADToGET to GCDWebServer class

CGDWebServer/GCDWebServer.h

@@ -63,6 +63,7 @@ NSString* GCDWebServerGetPrimaryIPv4Address();  // Returns IPv4 address of prima
 @interface GCDWebServer (Subclassing)
 + (Class)connectionClass;
 + (NSString*)serverName;  // Default is class name
++ (BOOL)shouldAutomaticallyMapHEADToGET;  // Default is YES which means HEAD requests are mapped to GET requests with the response body being discarded
 @end
 
 @interface GCDWebServer (Extensions)

CGDWebServer/GCDWebServer.m

@@ -510,6 +510,10 @@ static void _NetServiceClientCallBack(CFNetServiceRef service, CFStreamError* er
   return NSStringFromClass(self);
 }
 
++ (BOOL)shouldAutomaticallyMapHEADToGET {
+  return YES;
+}
+
 @end
 
 @implementation GCDWebServer (Extensions)

CGDWebServer/GCDWebServerConnection.h

@@ -40,7 +40,6 @@
 @end
 
 @interface GCDWebServerConnection (Subclassing)
-+ (BOOL)shouldAutomaticallyMapHEADToGET;  // Default is YES which means HEAD requests are mapped to GET requests with the response body being discarded
 - (void)open;
 - (void)didUpdateBytesRead;  // Called from arbitrary thread after @totalBytesRead is updated - Default implementation does nothing
 - (void)didUpdateBytesWritten;  // Called from arbitrary thread after @totalBytesWritten is updated - Default implementation does nothing

CGDWebServer/GCDWebServerConnection.m

@@ -535,7 +535,7 @@ static inline NSUInteger _ScanHexNumber(const void* bytes, NSUInteger size) {
     if (extraData) {
       NSString* requestMethod = ARC_BRIDGE_RELEASE(CFHTTPMessageCopyRequestMethod(_requestMessage));  // Method verbs are case-sensitive and uppercase
       DCHECK(requestMethod);
-      if ([[self class] shouldAutomaticallyMapHEADToGET] && [requestMethod isEqualToString:@"HEAD"]) {
+      if ([[_server class] shouldAutomaticallyMapHEADToGET] && [requestMethod isEqualToString:@"HEAD"]) {
         requestMethod = @"GET";
         _virtualHEAD = YES;
       }
@@ -662,10 +662,6 @@ static NSString* _StringFromAddressData(NSData* data) {
 
 @implementation GCDWebServerConnection (Subclassing)
 
-+ (BOOL)shouldAutomaticallyMapHEADToGET {
-  return YES;
-}
-
 - (void)open {
   LOG_DEBUG(@"Did open connection on socket %i", _socket);
   [self _readRequestHeaders];