weston-eventdemo --help works
weston-eventdemo --help works

Also defaults to printing all events if you specify none.
Removed incorrect "-0" switch which would turn on one of them.

mchalupa/weston,xorgy/weston,Gnurou/weston,sir-murray/weston,kwm81/weston,Fantu/compositor-spice,jonnylamb/weston,udoprog/weston,udoprog/weston,giucam/weston,jonnylamb/weston,giucam/weston,Fantu/compositor-spice,krezovic/weston,Tarnyko/weston-xdg_surface_present,Tarnyko/weston-xdg_surface_present,eyolfson/weston,kwm81/weston,Gnurou/weston,sir-murray/weston,eyolfson/weston,krezovic/weston,xorgy/weston,mchalupa/weston,Fantu/compositor-spice