Revert "Mailchimp integration for website"

This reverts commit 15526a25bf4e8d1bca47efdb00467926da1ae690.
Revert "Revert "Mailchimp integration for website""

This reverts commit 00cdefab270f5c5f78af94c012c01f8358fa18c1.
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Merge branch 'prod' of github.com:logius/amazers.org into prod
Gemfile for production