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* general: Fix spelling mistake and outdated instructions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/FtpDefines.h

@@ -0,0 +1,15 @@
+enum {
+	pasvftp=0,epsvftp,portftp,lprtftp, eprtftp
+};
+
+#define DATASTR(args) [ args dataUsingEncoding:NSUTF8StringEncoding ]
+
+#define SERVER_PORT 20000
+#define READ_TIMEOUT -1
+
+#define FTP_CLIENT_REQUEST 0
+
+enum {
+	
+	clientSending=0, clientReceiving=1, clientQuiet=2,clientSent=3
+};