Move launch script to a library.

init/rocket.ks

@@ -1,10 +1,11 @@
 @lazyglobal off.
 
+runoncepath("/lib/ui").
 runoncepath("/lib/navigation").
 runoncepath("/lib/throttle").
 runoncepath("/lib/node").
 runoncepath("/lib/stabilize_rocket").
-runoncepath("/lib/ui").
+runoncepath("/lib/launch_rocket").
 
 clearguis().
 
@@ -90,7 +91,7 @@ row:AddLabel("Gravity Turn Pitch").
 local gravPitch is row:AddTextField("75").
 
 makeButton(top, "Execute", {
-    run "/launch"(
+    Launch(
     targetApo:TEXT:ToNumber(),
     gravTurnStart:TEXT:ToNumber(),
     gravPitch:TEXT:ToNumber(),