Refactor

As all points from the epic refactor issue are closed #47 (closed) I am merging this in to master in order to unblock development.

backend/.gitignore

+# python specific
+*.egg-info
+*.pot
+*.py[co]
+.tox/
+__pycache__
+MANIFEST
+.coverage
+cache/
+
+# Django specific
+dist/
+docs/_build/
+docs/locale/
+tests/coverage_html/
+tests/.coverage
+build/
+tests/report/
+*.sqlite3
+static/
+
+# project specific
+env-grady/
+env/
+scripts/
+*.csv
+.importer*