Project modernization for Xcode 4.2 and OSX Lion

Performed code modernization
Solved some of the deprecated warnings (those on NSSavePanel)
Tweaked the main.xib of MacFUSION.app in order to better manage the column widths, so that the mount/edit buttons are no more partially hidden on launch

Author: pbosetti

MFAdvancedViewController.m

@@ -18,9 +18,9 @@ - (IBAction)chooseIcon:(id)sender {
 	NSOpenPanel *panel = [NSOpenPanel openPanel];
 	[panel setAllowsMultipleSelection:NO];
 	[panel setAllowedFileTypes:[NSArray arrayWithObject: @"icns"]];
-	NSInteger returnValue = [panel runModalForTypes:[NSArray arrayWithObject: @"icns"]];
-	if (returnValue == NSOKButton && [[panel filenames] count] > 0) {
-		NSString *filename = [[panel filenames] objectAtIndex:0];
+	NSInteger returnValue = [panel runModal];
+	if (returnValue == NSOKButton && [[panel URLs] count] > 0) {
+		NSString *filename = [[[panel URLs] objectAtIndex:0] path];
 		NSImage *iconImage = [[NSImage alloc] initWithContentsOfFile:filename];
 		if (iconImage) {
 			[(MFClientFS*)[self representedObject] setIconImage:iconImage];

MFServerPlugin.h

@@ -21,5 +21,5 @@
 }
 
 + (MFServerPlugin *)pluginFromBundleAtPath:(NSString *)path;
-
+- (MFPlugin *)initWithPath:(NSString *)path;
 @end