lazy-load google drive stuff
Merge pull request #821 from theodi/bugfix-google-drive-envs

Lazy-load google drive stuff
Fixed typo in readme
Fixed both google drive environment issues,
tests still fail without Google auth, can this be
mocked?
Reorganising and comments on some of the bloated
models.
Actual state of schema file (for debugging)
Fixed a weird bug I was getting on the cert page
Merge pull request #828 from theodi/feature-certificate-list-tweaks

Certificate list tweaks
Only append a div on surveyor selects
Combine the published_at and aasm_state migrations into one migration
Merge pull request #831 from theodi/bugfix-fix-broken-migrations

Combine the published_at and aasm_state migrations into one migration
Merge pull request #830 from theodi/bugfix-fix-selects

Fix selects
Merge pull request #829 from theodi/feature-petes-docs

Pete's docs
Add link and certificate to Atom feed
Make sure all links have the right protocol
Fix up tests
Merge pull request #833 from theodi/feature-improve-atom-feed

Improve atom feed
providing translations for yes/no answers
Merge pull request #834 from theodi/yes-no-translation

providing translations for yes/no answers
Add clone_response_set method

Also clones a response set's data_kitten, as well as the answers