Merge topic 'AddInnerGridsAndPlanesToCubeAxes'

3c2bba14 Use standard macros for properties Set/Get methods
31cc8052 Properly initialize title actor properties when building axis
19367254 Added convenience methods to Set/Get axis lines properties
b572de43 Eliminate potential source of leak
3f2353dc Initializing axes title text property and making it consistent with labels
c7f017a2 Make sure that label opacity and color are consistent with those of axis
f28dcc49 Added new methods that allow one to create new title and labels props