Fix comment in snd_codec_opus.c
Move noise function declations to tr_common.h

tr_noise.c is in renderercommon directory, so declare them in header there too.
be_ai_weap.c: s/move state/weapon state/g
Remove unused config string code from botlib
Fix BotExportTest's args for BotGetReachabilityToGoal
Fix comment for gametype parsing in ui
Merge remote-tracking branch 'upstream/master'

Conflicts:
	code/botlib/be_aas_def.h
	code/renderergl1/tr_local.h
	code/renderergl2/tr_local.h