docs / clenup (no functional code changes)

- added API examples for mathutils.Color/Euler/Quaternion/Matrix.
- corrected own bad spelling matricies --> matrices.
- minor pep8 edits.
- update CMake ignore file list.

source/blender/blenkernel/BKE_paint.h

@@ -84,7 +84,7 @@ typedef struct SculptSession {
 	int modifiers_active; /* object is deformed with some modifiers */
 	float (*orig_cos)[3]; /* coords of undeformed mesh */
 	float (*deform_cos)[3]; /* coords of deformed mesh but without stroke displacement */
-	float (*deform_imats)[3][3]; /* crazyspace deformation matricies */
+	float (*deform_imats)[3][3]; /* crazyspace deformation matrices */
 
 	/* Partial redraw */
 	int partial_redraw;

source/blender/blenkernel/intern/constraint.c

@@ -4351,7 +4351,7 @@ short proxylocked_constraints_owner (Object *ob, bPoseChannel *pchan)
  * constraints either had one or no targets. It used to be called during the main constraint solving
  * loop, but is now only used for the remaining cases for a few constraints. 
  *
- * None of the actual calculations of the matricies should be done here! Also, this function is 
+ * None of the actual calculations of the matrices should be done here! Also, this function is
  * not to be used by any new constraints, particularly any that have multiple targets.
  */
 void get_constraint_target_matrix (struct Scene *scene, bConstraint *con, int n, short ownertype, void *ownerdata, float mat[][4], float ctime)

source/blender/editors/util/crazyspace.c

@@ -384,7 +384,7 @@ void crazyspace_build_sculpt(Scene *scene, Object *ob, float (**deformmats)[3][3
 	int totleft= sculpt_get_first_deform_matrices(scene, ob, deformmats, deformcos);
 
 	if(totleft) {
-		/* there are deformation modifier which doesn't support deformation matricies
+		/* there are deformation modifier which doesn't support deformation matrices
 		   calculation. Need additional crazyspace correction */
 
 		float (*deformedVerts)[3]= *deformcos;

source/blender/python/mathutils/mathutils_Matrix.c

@@ -1089,7 +1089,7 @@ static PyObject *Matrix_decompose(MatrixObject *self)
 PyDoc_STRVAR(Matrix_lerp_doc,
 ".. function:: lerp(other, factor)\n"
 "\n"
-"   Returns the interpolation of two matricies.\n"
+"   Returns the interpolation of two matrices.\n"
 "\n"
 "   :arg other: value to interpolate with.\n"
 "   :type other: :class:`Matrix`\n"
@@ -1669,7 +1669,7 @@ static PyObject *Matrix_subscript(MatrixObject* self, PyObject* item)
 		}
 		else {
 			PyErr_SetString(PyExc_IndexError,
-			                "slice steps not supported with matricies");
+			                "slice steps not supported with matrices");
 			return NULL;
 		}
 	}
@@ -1701,7 +1701,7 @@ static int Matrix_ass_subscript(MatrixObject* self, PyObject* item, PyObject* va
 			return Matrix_ass_slice(self, start, stop, value);
 		else {
 			PyErr_SetString(PyExc_IndexError,
-			                "slice steps not supported with matricies");
+			                "slice steps not supported with matrices");
 			return -1;
 		}
 	}