Arvados » Arvados Workbench 2

As a user I would like to have an access and possibility to edit my credentials
so that I can control my personal data.

Acceptance criteria:
Labels:
- E-mail
- First Name
- Last Name
- Identity URL
- * Organization
- * E-mail at Organization
- Department or Lab
- Website
- Role

- Validation of required fields - "This fields is required."
- buttons "Discard changes" and "Save changes"
- buttons are disabled until user will do some changes
- after saving confirmation pop up appears with information that "Profile has been updated"

Mockup: https://3czrf1.axshare.com/12__user_profile.html