Make cgame's tcmd use trap_SendClientCommand for "gc"

gc command was forwarded to server after if wasn't recognized locally, but let's just send straight to server.

(trap_SendConsoleCommand should of had a \n at end, but using trap_SendClientCommand makes more sense.)
Bug #6021 Fix misuse of Sys_Mkdir (Joerg Dietrich)
Fix warning message in animation.cfg parsing functions

Signed-off-by: Zack Middleton <zturtleman@gmail.com>
Merge remote-tracking branch 'ioquake3/master'

Conflicts:
	code/cgame/cg_consolecmds.c