Arvados » Arvados Workbench 2

As a user I would like to have table view of all my SSH Keys
so that I will have information about them

Acceptance criteria:
- table with column: Name, UUID, Authorized user, Expires at, Key type, Public Key
- button for adding new key
- an icon in Public Key column with full key in modal
- more options icon with: Attributes, Advanced, Remove

Mockup: https://3czrf1.axshare.com/#g=1&p=15_3_1_admin_panel_-__ssh_keys&c=1