handle all settings changed by rpc (previously download location was missing)

macosx/InfoWindowController.m

@@ -1553,10 +1553,8 @@ typedef enum
     
     [fTrackers removeObjectsAtIndexes: indexes];
     
-    if (![torrent updateAllTrackersForRemove: fTrackers])
-        NSBeep();
-    else
-        [fTrackerTable deselectAll: self];
+    [torrent updateAllTrackersForRemove: fTrackers];
+    [fTrackerTable deselectAll: self];
     
     //reset table with either new or old value
     [fTrackers release];

macosx/PrefsController.m

@@ -810,7 +810,8 @@
     [fDefaults setBool: encryptionMode == TR_ENCRYPTION_PREFERRED forKey: @"EncryptionPrefer"];
     
     //download directory
-    #warning missing!
+    NSString * downloadLocation = [[NSString stringWithUTF8String: tr_sessionGetDownloadDir(fHandle)] stringByStandardizingPath];
+    [fDefaults setObject: downloadLocation forKey: @"DownloadFolder"];
     
     //peers
     uint16_t peersTotal = tr_sessionGetPeerLimit(fHandle);
@@ -850,6 +851,8 @@
     {
         //encryption handled by bindings
         
+        //download directory handled by bindings
+        
         [fPeersGlobalField setIntValue: peersTotal];
         
         //pex handled by bindings

macosx/Torrent.h

@@ -151,7 +151,7 @@ typedef enum
 
 - (NSMutableArray *) allTrackers: (BOOL) separators;
 - (BOOL) updateAllTrackersForAdd: (NSMutableArray *) trackers;
-- (BOOL) updateAllTrackersForRemove: (NSMutableArray *) trackers;
+- (void) updateAllTrackersForRemove: (NSMutableArray *) trackers;
 - (BOOL) hasAddedTrackers;
 
 - (NSString *) comment;

macosx/Torrent.m

@@ -819,15 +819,13 @@ void completenessChangeCallback(tr_torrent * torrent, cp_status_t status, void *
     return YES;
 }
 
-- (BOOL) updateAllTrackersForRemove: (NSMutableArray *) trackers
+- (void) updateAllTrackersForRemove: (NSMutableArray *) trackers
 {
     //check if no user-added groups
     if ([[trackers objectAtIndex: 0] intValue] != 0)
         fAddedTrackers = NO;
     
     [self updateAllTrackers: trackers];
-    
-    return YES;
 }
 
 - (BOOL) hasAddedTrackers