Added custom markup initialization and controller base classes.
Removed JavaFX-specific-formatted properties from TiffBase object.
Added class containing viewport titles.
Created JavaFX wrapper for MARTiffImage object.
Changed wrapper property names.
Drafted viewport containers.
Implemented viewport containers in controller and markup.
Get controller instance from markup loader.
Removed excess lines, comments, and imports.
Created control base (for later experimentation).
Created skeleton for value adjustment controls.
(Miscellaneous) Enlarged viewport.
Implemented rough adjustment control.

May consider replacing buttons with slider.
Removed generic masking from application.

To be added as part of individual viewport controls.
Added separating comments, removed excess lines.
Merge branch 'maskPreImplementationCleanup' into maskingFeature