Lots of changes

breaks boot; don't run this - you'll get an infinite loop that you can't
recover
attempt to fix sandboxing; didn't work
move splash.lua to /api
add JSON API
change splash.lua to use JSON api
change documentation to JSON in preperation for LuaMan
temporarily disabled launcher
somehow broke launcher?
changed lgrub.lua to run, not load
fixed conditional in craftos/startup