Fix bug in sample model/collection url construction

The old method worked fine when varify was deployed at the root of the server. This new url construction method works regardless of where the app is deployed.

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Add a dialog window for creating variant sets

The window has controls for creating variant sets from a file nad from the current filter set. The save button is not currently connected

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Support variant set creation from filters or file

Signed-off-by: Don Naegely <naegelyd@gmail.com>