workaround ZLib compile bug

#define HAVE_LIBZ in Prefix-Header
- added basic iPhone 5 support

Added Default-568h@2x.png file to load full-size view on an iPhone 5
Replaced hardcoded screen-size values with relative ones
- enable EXPERIMENTAL_WIFI_COMM

compiling done using libpcap-iphone library.
Local headers for the SDK can be build using https://github.com/D4rkM4t3r/libpcap-iphone.
On the device itself you need to install libpcap from Cydia (enable Developer View) and run the App from /Applications for permissions
- get firmware language by system property

Iterate over preferred System Languages to get the best language for the user preferences
Added UI Menu to Load and Save States

Added UIAlertSheet to display Save State Loading and Exporting Options.
Added emu.mm functions to access DSEmuMe importing/exporting api
- shortened UI String to avoid trimming of the file name