v0.8: Merge pull request #566 from onaio/554-role-change-endpoint

554 role change endpoint

v0.7: Merge pull request #543 from onaio/529-Add-download-form-as-XLSForm

DW: Added download form as an xls functionality

v0.6

Merge pull request #527 from onaio/526-return-project-creator-on-proj…

v0.5: Merge branch '520-media-files-access-fix'

* 520-media-files-access-fix:
  UK: pep8 cleanup
  UK: include DigestAuthentication in settings - common.py
  UK: url for media files
  UK: media endpoint for formlist api, closes #520

v0.3: Merge pull request #489 from onaio/logrotate-celery

logrotate celery config

v0.2: Merge pull request #472 from onaio/441-performance

441 performance

v0.1

Merge remote-tracking branch 'origin/master' into 407-chart-endpoint-…