Fixed GitX URL scheme problem (On Lion it always comes back as 'gitx').

Author: Roustem Karimov

PBGitXProtocol.m

@@ -26,7 +26,7 @@ - (id)initWithRequest:(NSURLRequest *)request cachedResponse:(NSCachedURLRespons
 
 + (BOOL) canInitWithRequest:(NSURLRequest *)request
 {
-	return [[[request URL] scheme] isEqualToString:@"GitX"];
+	return [[[[request URL] scheme] lowercaseString] isEqualToString:@"gitx"];
 }
 
 + (NSURLRequest *)canonicalRequestForRequest:(NSURLRequest *)request

PBWebController.m

@@ -93,7 +93,8 @@ - (NSURLRequest *)webView:(WebView *)sender
 		return request;
 
 	// TODO: Change this to canInitWithRequest
-	if ([[[request URL] scheme] isEqualToString:@"GitX"]) {
+	NSString *scheme = [[[request URL] scheme] lowercaseString];
+	if ([scheme isEqualToString:@"gitx"]) {
 		NSMutableURLRequest *newRequest = [request mutableCopy];
 		[newRequest setRepository:self.repository];
 		return newRequest;