Ensure "Improve this dashboard" text is on all dashboards.
Add "Improve this dashboard" link to all dashboards.

Included ammends from latest spreadsheet export.
Fix to other-notes in dashboard footers.
Other notes is now in the correct dashboard field.
Merge pull request #444 from alphagov/bugfix/bug-man-high-tx-footer

Bugfix/bug man high tx footer
Changed billion abbreviation from 'b' to 'bn'.
Switch to the dot reporter for cheapseats

We were reaching the max ammount of stdout allowed in Travis due to
cheapseats being very verbose. The dot reporter will output different
coloured dots for each test run, this yields a massive reduction in
output.
Merge pull request #449 from alphagov/bugfix/minimise-cheapseats

Switch to the dot reporter for cheapseats
Merge pull request #448 from alphagov/bugfix/billion-abbreviation

Changed billion abbreviation from 'b' to 'bn'.