Merge pull request #20 from ismailsunni/develop

Update populating field method
Update README.md
Fixed bug preventing media from showing in map gallery.
Merge remote-tracking branch 'upstream/develop' into develop
Remove cut and paste reference to inasafe
Merge pull request #22 from timlinux/develop

Fix readme and media
Update app_settings.py
Add install REQUIREMENTS-dev to dokcer-dev build.