moved tests into correct structure

tests/__init__.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+__author__ = 'willbrennan'
+
+# Built-in modules
+# Standard modules
+# Custom modules

tests/skin_detector/__init__.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+__author__ = 'willbrennan'
+
+# Built-in modules
+# Standard modules
+# Custom modules