Single file Entity format 2

Yay standardization!

Remaining ents:
console screen (cl part is 15kb)
digital screen (both parts are 7kb)
egp (has libraries)
egp_hud (has library file)
E2 (lol)
fx_emitter (has library file)
gpu (has library file, is big)
hudindicator (both parts are 12kb)
keyboard (has library file)
spu (library)
textscreen (is busy in #353)
thruster (is busy in #359)
vthruster (is busy in #359)
wiremapinterface (is a weird format)

Also I found a cool FPS doubler, but I'm holding it hostage until this PR is reviewed and merged :D