Tidy up Docker images
Tidy up READMEs
Merge pull request #471 from themarshallproject/develop v0.5.1
Merge pull request #426 from themarshallproject/develop v0.5.0
Merge pull request #380 from themarshallproject/develop v0.4.0
Merge branch 'master' into develop
Merge pull request #257 from themarshallproject/develop v0.3.3
Merge pull request #207 from themarshallproject/develop Update migrations for Rails 5.
Merge pull request #205 from themarshallproject/develop Version 0.3.0