Add shop tests and related_names to model relations
add locations unit tests
add kind and change datetime to date in story model
added Characters class and Relationship class
Merge pull request #59 from Kae7in/test

Test
Add story test
Added some links to the README.
Merge branch 'master' into amanda_tests

Conflicts:
	hogwarts/library/tests.py
Merge pull request #62 from Kae7in/characters

added Characters class and Relationship class
added additional argument to all ForgeinKey and ManyToMany calls, 'blank = true'
Break up shop and location tests
Merge pull request #63 from Kae7in/characters

added additional argument to all ForgeinKey and ManyToMany calls, 'blank...
Merge branch 'master' into amanda_tests
Merged Kaelin's blank=True with Amanda's related_name mods
Conflicts:
	hogwarts/library/models.py
Tests for School and House added
Test Cases for House and School
Fixed typos closes #64
Fixed some typos closes #64
More tests for Potion, House and School
More tests for Potion, House and School
Merge branch 'master' into test