Merge pull request #179 from alphagov/more_log_response_messages

Give some information about buckets in error messages
Change replicate dirs to point at new dev vm
Merge pull request #180 from alphagov/change_replicate_dump_dir

Change replicate dirs to point at new dev vm
Hardcode quarter start to October
Starts for each quarter
Validate quarter starts
Test for end of quarter
Test range of quarters
Add migration
Pep8...as always
Merge pull request #182 from alphagov/add-quarter

Add quarter
Merge branch 'master' into more_log_response_messages

* master:
  Pep8...as always
  Add migration
  Test range of quarters
  Test for end of quarter
  Validate quarter starts
  Starts for each quarter
  Hardcode quarter start to October
  Change replicate dirs to point at new dev vm