replace kp with rk

src/Modules.py

@@ -54,7 +54,7 @@ class Modules(IterableFlag):
     RESERVOIR = auto()
     SEDIMENT_LAYER = auto()
     ADDITIONAL_FILES = auto()
-    OUTPUT_KP = auto()
+    OUTPUT_RK = auto()
 
     # Results
     RESULTS = auto()
@@ -78,7 +78,7 @@ class Modules(IterableFlag):
             cls.ADDITIONAL_FILES,
             cls.RESULTS,
             cls.WINDOW_LIST,
-            cls.OUTPUT_KP,
+            cls.OUTPUT_RK,
         ]
 
     @classmethod