Fix reverted node cost increases in early game, except supersonic fli…

…ght (so there's two 1-cost nodes).

GameData/RP-1/Tree/RP0TechTree.cfg

@@ -59,7 +59,7 @@
 		id = supersonicDev
 		title = Supersonic Plane Development
 		description = Supersonic Plane Development (Post-War)
-		cost = 2
+		cost = 1
 		hideEmpty = False
 		nodeName = supersonicDev
 		anyToUnlock = False
@@ -78,7 +78,7 @@
 		id = supersonicFlightRP0
 		title = Supersonic Flight
 		description = Supersonic Flight (1950-1951)
-		cost = 3
+		cost = 4
 		hideEmpty = False
 		nodeName = supersonicFlightRP0
 		anyToUnlock = False
@@ -2700,7 +2700,7 @@
 		id = rocketryTesting
 		title = Post-War Rocketry Testing
 		description = Post-War Rocketry Testing
-		cost = 1
+		cost = 2
 		hideEmpty = False
 		nodeName = rocketryTesting
 		anyToUnlock = False
@@ -2719,7 +2719,7 @@
 		id = earlyRocketry
 		title = Early Rocketry
 		description = Early Rocketry (1950-1951)
-		cost = 2
+		cost = 3
 		hideEmpty = False
 		nodeName = earlyRocketry
 		anyToUnlock = False
@@ -2738,7 +2738,7 @@
 		id = basicRocketryRP0
 		title = Basic Rocketry
 		description = Basic Rocketry (1952-1955)
-		cost = 3
+		cost = 4
 		hideEmpty = False
 		nodeName = basicRocketryRP0
 		anyToUnlock = False
@@ -7091,7 +7091,7 @@
 		id = earlyScience
 		title = Early Science
 		description = Early Science (1952-1955)
-		cost = 3
+		cost = 4
 		hideEmpty = False
 		nodeName = earlyScience
 		anyToUnlock = False