Arvados » Arvados Workbench 2

As a user I would like to see my current token
so that I can use it

Acceptance criteria:
- unique token for current user is presented
- links to: getting an API token, virtual machines

User flow:

1. Click on "User panel" icon in right top of the page

2. Choose "Current token" in user panel menu

3. Modal with token appears
Links:
Getting an API token - http://doc.arvados.org/user/reference/api-tokens.html
Virtual machines - <in further sprints> access from user panel