UIVIB GUI update -- Shadow

[jschnet]

Clean up GUI to look nicer and move some of IVIB's functionality into the UI.

• [ ] Fit IVIB buttons to screen.
• [x] Move IVIB menu into UI main bar.
• [x] Add shaded cases to UI main bar. X Do something about IVIB textboxes.
• [x] Fix new crashes from these UI changes.

[jschnet]

Objects menu - all test cases passed. Selections - Alignment: All test cases passed. Spacing: All test cases passed. Copying: No crashes, so maybe passed. Reorder: Passed. Delete: Passed. Dialog: Passed. Select-up: No crashes, so maybe passed. Save: Failed. -> (UIDE_1.global_attribs) canvas.icn line 194. Canvas - Dialog: Passed. Check-boxes: Failed. -> (UIDE_1.save_extra_undo) groupsetdialog.icn line 105 ButtonGroup: Failed. -> (UIDE_1.save_extra_undo) groupsetdialog.icn line 105 Load_Component: Passed. Ivib_Undo: Failed. -> No effect. Ivib_Redo: Failed. -> No effect.

[jschnet]

Canvas menu :- all cases passed. Selections :- Save Component fails: Is this case really necessary? Objects menu :- all cases passed.

[jschnet]

All crashes resolved. -- at this point

[jschnet]

For the last part of this task, I have decided that I would focus on keeping the buttons displayed at all times.