* Use appendMenuItems instead of ContextCommandBuilder
* Specify RimEclipseCaseCollection menu features once
* Add function to enable up/down arrows for combo box
* Guard crash when closing project
* Improve UI for grid case ensemble
- Create a view for the first case in the ensemble
- Show case name in view title
- Enable up/down buttons to Eclipse case
* Make sure 3D views in grid ensemble are created on project load