Split pip artwork into their own files and kill the hardcoded size/offset junk. Add a blue pip to support C&C blue tib. Fixes #836.

mods/cnc/rules/system.yaml

@@ -115,8 +115,7 @@ World:
 		SpriteNames: bti1,bti2,bti3,bti4,bti5,bti6,bti7,bti8,bti9,bti10,bti11,bti12
 		ValuePerUnit: 60
 		Name: Blue Tiberium
-		# todo: add a blue pip.
-		PipColor: Red
+		PipColor: Blue
 		AllowedTerrainTypes: Clear,Road
 		AllowUnderActors: false
 	SmudgeLayer@SCORCH:

mods/cnc/sequences/misc.yaml

@@ -197,22 +197,18 @@ clock:
 		Start: 0
 		Length: *
 pips:
-	ready: hpips
-		Start: 3
-	hold: hpips
-		Start: 4
-	pip-empty: hpips
+	pip-empty:
 		Start: 0
-	pip-green: hpips
+	pip-green:
 		Start: 1
-	pip-yellow: hpips
-		Start: 5
-	pip-gray: hpips
-		Start: 6
-	pip-red: hpips
-		Start: 7
-	tag-primary: hpips
+	pip-yellow:
 		Start: 2
+	pip-gray:
+		Start: 3
+	pip-red:
+		Start: 4
+	pip-blue:
+		Start: 5
 	groups: pdigits
 		Start: 0
 		Length: *