[#59] Add index action for user.
Add .DS_Store to .gitignore.
[#59] Add test for no users in database; clean-up.]
[#59] Update Readme for User#index.
[#59] Nicer tests, improve Readme.

[#59] Nicer tests.

[#59] Even nicer tests.
Merge branch 'master' into user-index

Fix conflicts:
	.gitignore
	README.md
Merge pull request #10 from gotar/user-index

[#59] Add user index action.