Cleanup: Fix capitalization in various places

Approximately 33 changes of capitalization to conform to MLA title style.

Differential Revision: https://developer.blender.org/D9796

Reviewed by Julian Eisel

source/blender/editors/curve/editcurve.c

@@ -3838,7 +3838,7 @@ void CURVE_OT_subdivide(wmOperatorType *ot)
   /* flags */
   ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
 
-  prop = RNA_def_int(ot->srna, "number_cuts", 1, 1, 1000, "Number of cuts", "", 1, 10);
+  prop = RNA_def_int(ot->srna, "number_cuts", 1, 1, 1000, "Number of Cuts", "", 1, 10);
   /* Avoid re-using last var because it can cause _very_ high poly meshes
    * and annoy users (or worse crash). */
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);