Updates to dashboard to add a legend, and move description

[okeefm]

• Added a legend for what the squares in the test results mean
• Moved the dashboard title (if present) to the top of the page, and the description (if present) to the blue text box
• Added passing/failing/not run/skipped status to tooltip for a suite result rectangle

[okeefm]

Legend/dashboard title/dashboard description

[okeefm]

Tooltip status

[arscan]

Added the tooltip to the suite status as we discussed. If it looks good go ahead and merge -- your updates look great to me.