Bump Rails to 4.1.6 for the latest security fixes
Merge pull request #422 from alphagov/bump_rails_to_4.1.6

Bump Rails to 4.1.6 for the latest security fixes
Make edit date link higher contrast
Merge pull request #423 from alphagov/make_edit_date_link_higher_contrast

Make edit date link higher contrast
Clarify wording on leaderboard

This page sorts organisations in descending order by the total number of erroring hits, rather than the total number of erroring mappings; so the pedant in me took issue with the precision of the introduction statement (open to other wording "errors" "erroring hits").
Merge pull request #425 from rjc123/patch-6

Clarify wording on leaderboard
Make the bulk edit error messages specific to the type of error

- Before, everything would just say "Enter a valid URL to redirect to".
  Now it says "The URL to redirect to must be on a whitelisted domain"
  for a non-whitelisted redirect, for example.
Move everything from BulkBase into BulkEditor and delete BulkBase

- Nothing but BulkEditor uses BulkBase anymore.
Reword the error message to refer to 'URL' not 'New URL'
Fix the bug where a blank error message displayed upon opening the modal

- https://github.com/alphagov/transition/pull/421#issuecomment-58001509