Rename model Group -> Domain

Closes #33
Merge pull request #35 from timlinux/develop

Setup for coverage reporting - see #30
Add flake8 support
Fix flake8 reported errors
Add support script for running tests
Update README.md
Update README.md
Update README.md
Add support for editing Locality attribute data
Fix static files compressor issues (production)
Enable map marker interaction on data edit
Bad Tim, bad bad Tim... :)
Merge remote-tracking branch 'origin/develop' into develop
Merge remote-tracking branch 'upstream/develop' into develop
In progress readme updates