Add support for displaying modal dialogs.
Add generic alert dialog.
Add generic error dialog.
Add dialog for selecting frames to score on.
PP-71
Remove hovers from frame and model views.
Include dialogs in build.
Minor fix to spinner size.
Hacks for displaying errors on failed scorings.
Make ko binding handlers fire on update instead of init.
Reset status bar message after a wait period.
Add new top level model selector and prompt for selecting frames to score on.
Model details are now fully visible while performing selections.
PP-71