UI - Navigate to previous page

[nateiam]

As a User I want to be able to navigate to the page I was previously viewing

Acceptance Criteria

• Every page has a link to the previous page ** Entry points are exceptions, they don't need a link: BDef List, Home ** If you have no history (if you came in from link or opened a new tab), show 'Home' with link to the Home Page
• This link appears below the header
• The link text is the page title (that appears in the browser tab) ** Titles are updated in consultation with UX
• Appearance is consistent with mockup