ticket:1 fixed Person.__repr__
ticket:1 added Person model to admin site
ticket:1 added flake8 config
ticket:1 code cleanup
Merge branch 't1' into t3

Conflicts:
	apps/hello/admin.py
	apps/hello/models.py
ticket:1 removed PersonAdmin Meta internal class
Merge branch 't1' into t3
ticket:3 flake8
Merge branch 't3' into t4
ticket:4 flake8