Addresses review comments

Author: StephenNneji

cpp/includes/defines.h

@@ -551,7 +551,7 @@ dataLimits : list
 simulationLimits : list;
     Simulation for each contrast.
 oilChiDataPresent : np.ndarray[np.float] 
-    Non-zero values indicates if data is present for the contrast. 
+    If ``dataPresent[i]`` is non-zero, then contrast ``i`` has oilChi data. This currently not being used.
 numberOfContrasts : int
     Number of contrasts.
 geometry : str
@@ -560,15 +560,15 @@ useImaginary : bool
     Indicates whether imaginary component is used for the SLD value in layers, i.e.
     absorption is set to True for the project.
 repeatLayers : list
-    Information about repeating layers for each contrast
+    Information about repeating layers for each contrast. This currently not being used.
 contrastBackgroundParams : list
     Indices of backgroundParams used for each contrast
 contrastBackgroundTypes : list
     Background type for each contrast.
 contrastBackgroundActions : list
     Background action for each contrast.
 contrastQzshifts : np.ndarray[np.float]
-    Indices of Qzshifts used for each contrast.
+    Indices of Qzshifts used for each contrast. This currently not being used.
 contrastScalefactors : np.ndarray[np.float] 
     Indices of scalefactors used for each contrast.
 contrastBulkIns : np.ndarray[np.float] 
@@ -582,7 +582,7 @@ contrastResolutionTypes : list
 backgroundParams : np.ndarray[np.float] 
     Background parameter values.
 qzshifts : np.ndarray[np.float]
-    Qzshift values.
+    Qzshift values. This currently not being used.
 scalefactors : np.ndarray[np.float] 
     Scalefactors values.
 bulkIns : np.ndarray[np.float]