new vblank event, used by cheats, lua and naomi net
new udp net protocol for naomi. rx/tx on vblank on emu thread.
input: rumble power configurable (Issue #158)
ui: rumble intensity slider, enable/disable upnp
aica: hook to consume midi out
decode midi out to simulate rumble for initd
upnp can now be disabled
terminate network in dc_term to avoid static init order issues
osx: call dc_term before exit
osx: exit app when exit button is pressed (dc_exit)
osx: ignore -NSDoc... app args
Flyinghead