beamin and beamout

fix compilation - update schema - add api to spacetime

Merge remote-tracking branch 'origin/master'

api work

random player position

merged auth and entities, some planet stuff may be slightly broken

converted planets and players to entities

add 0x0c AuthenticateAndBeamOut to the protocol

orbits

Merge branch 'master' of https://gitlab.com/starkingdoms.tk/starkingdoms.tk

terrible orbit code

Merge branch 'master' of https://gitlab.com/starkingdoms.tk/starkingdoms.tk

what changed

h

attempt to fix force calc

modified rotation

force-based

working on vis_viva

update astronomical constants

update planetary constants