Merge tag '0.2.12' into develop

fastforward failing when the diff shows a non-model file has change (bug)
failing test
passing test
Merge branch 'feature/issue-44-fix-ff-on-non-model-changes' into develop
Merge branch 'develop' of github.com:universalcore/elastic-git into develop
bump version
Merge branch 'release/0.3.0' into develop
ignore import errors
add test for repo content that looks like a valid model
Merge pull request #45 from universalcore/feature/issue-45-pretty-please-dont-trip-on-non-unicore-models

pretty please dont trip on non unicore models
version bump
Merge branch 'release/0.3.1'