Merged menu items of viewport and motion control: viewport and motion control are depending on each other and were listed at the to level of custom view tab. Because motion control is just a one line item it has been moved into the viewport page. As result there is one free line for future custom view options available again.

Heinrichs Weikamp OSTC4 update files.

The builds are for testing purposes only. Be careful, they might not work and are definitely not recommended for real dives.