Dynamic savestates demo + OPL3 demo

Dynamic Rollback in time when gaming
New plugin Willy OPL3 with +4200 music pack
Zoom mode for huge screen
http://www.roudoudou.com/ACE-DL/
Full changelog

• - Windows SDL version upgraded to 2.28.5 (like Linux/Mac)
• - Windows x86 version
• - new plugin Willy OPL3 + music pack for albireo
• - new plugin multiface II
• - new plugin hacker in two flavours
• - new command line options for emulator configuration (see -h option for help)
• - new scrollbar in CPU Trace
• - new disassembling explorer (as many as you need)
• - new automatic savestate for gaming with interactive rollback
• - memory, graphics and disassembling explorer windows are now saved in config file
• - Emulator window can be doubled in size
• - added host mouse wheel management to SYMBiFace mouse plugin (not working in SymbOS anyway)
• - may use cursor, pgup, pgdown and shift+cursor, shift+pgup, shift+pgdown in RAM/ROM explorer to navigate
• - may use L key in RAM/ROM explorer to search for a label and go to it
• - text files can be autoload or dragged'n'dropped for autotype (.txt)
• - hardware sprite's coordinates now displayed in ASIC debug
• - hSync & vSync are back in Gate Array window (because CRTC hSync and vSync are delayed/filtered by the Gate Array)
• - handle cross to close label windows and many submenus
• - import index aliases in trace with REMU chunk (structure's field indexes)
• - bugfix tab colors in keyboard/joy configuration
• - bugfix savestate (regression in Christmas release with nop counter)
• - bugfix memory disassembling to file
• - bugfix XMASS IMG folder for MacOS version
• - bugfix NMI, Int, Ready signals from plugins
• - bugfix VMA display in gate_array and CRTC debug
• - bugfix crash when changing from CTM to CM in overscan mode
• - bugfix navigate in directories with Albireo when they are lower case