Merge pull request #5 from rymdjs/develop

Develop
Fix test structure.

Tests for the `crypto` module now reside in `test/tests.js`. The test
runner is `test/runner.html`.

Tests are run with `gulp test` and will boot a Connect server
to serve them. Remember to install dev dependencies with `npm install`.
Merge pull request #6 from rymdjs/fix/tests

Fix test structure.