Restore iOS build support (#2352)

* initial commit

* initial commit

* add port files

* ios: Changes to allow creating app bundle without xcode projects

* ios: Added mic perms request

* ios: Very basic app bundle creation script

* ios: Fix -log parameter

* ios: Sdk no longer hardcoded and option to compile for simulator

* general: Update gitignore

* ios: Enable game mode for the app

* ios: Compile instructions and updated ipa creation script

* ios: Code cleanup

* ios: Remove dylibs

* general: Remove extra submodules

* ios: Remove dylibs again

* ios: Implement suggested changes

* ios: Fix building as dylib instead of binary

* ios: Scripts for building mods

* ios: Move 'ios' contents to engine/platform/ios/bundle and modify scripts

* ios: Update createipa.sh to use waf install

* ios: Clean script and updated README

* general: Fix spelling mistake and outdated instructions

* ios: Clean up in xcompile.py

* ios: Fix createipa.sh generating an invalid ipa

* ios: Temporary fix for launch dialog textfield colors in dark mode

engine/platform/ios/FtpDataConnection.h

@@ -0,0 +1,54 @@
+/*
+ iosFtpServer
+ Copyright (C) 2008  Richard Dearlove ( monsta )
+ 
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+ 
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+ 
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#import <UIKit/UIKit.h>
+#import "AsyncSocket.h"
+#import "FtpDefines.h"
+
+@class FtpConnection;
+
+@interface FtpDataConnection : NSObject {
+	AsyncSocket			*dataSocket;
+	FtpConnection		*ftpConnection;						// connection which generated data socket we are tied to
+	
+	AsyncSocket			*dataListeningSocket;
+	id					dataConnection;	
+	NSMutableData		*receivedData;
+	int					connectionState;
+	
+}
+-(id)initWithAsyncSocket:(AsyncSocket*)newSocket forConnection:(id)aConnection withQueuedData:(NSMutableArray*)queuedData;
+-(void)writeString:(NSString*)dataString;
+-(void)writeData:(NSMutableData*)data;
+-(void)writeQueuedData:(NSMutableArray*)queuedData;
+-(void)closeConnection;
+
+#pragma mark ASYNCSOCKET DELEGATES
+-(BOOL)onSocketWillConnect:(AsyncSocket *)sock;
+-(void)onSocket:(AsyncSocket *)sock didAcceptNewSocket:(AsyncSocket *)newSocket;
+-(void)onSocket:(AsyncSocket*)sock didReadData:(NSData*)data withTag:(long)tag;
+-(void)onSocket:(AsyncSocket*)sock didWriteDataWithTag:(long)tag;
+
+-(void)onSocket:(AsyncSocket *)sock willDisconnectWithError:(NSError *)err;
+
+@property (readonly) NSMutableData *receivedData;
+@property (readwrite) int connectionState;
+
+
+@end