Arvados » Arvados Workbench 2

As a user I would like to have trash view where I can see all removed files
so that I can managed them and restore.

Acceptance criteria:
- view of all removed files
- columns: name, type, uuid, file size, trashed date, to be deleted
- filters on Type column
- icons per file with options to restore
- search facility through trashed items
- confirmation message before restoring

Mockup: https://3czrf1.axshare.com/#g=1&p=9__trash&c=1