Fix Alien Grunt's TraceAttack method.

Fix extra cfg file crashing the server.
Added custom blood color for monsters.

src/dlls/headcrab.cpp

@@ -252,7 +252,7 @@ void CMHeadCrab :: Spawn()
 
 	pev->solid			= SOLID_SLIDEBOX;
 	pev->movetype		= MOVETYPE_STEP;
-	m_bloodColor		= BLOOD_COLOR_GREEN;
+	m_bloodColor		= !m_bloodColor ? BLOOD_COLOR_YELLOW : m_bloodColor;
 	pev->effects		= 0;
 	pev->health			= gSkillData.headcrabHealth;
 	pev->view_ofs		= Vector ( 0, 0, 20 );// position of the eyes relative to monster's origin.