* Upgrade Ruby patch level to 247. * Wrap documentation lines at 80 characters. * End sentences with periods. * Replace Bourne with RSpec Mocks >= 2.14, which now has stubbing and spying. * Upgrade Rake. * Use RSpec `expect` syntax. * Configure RSpec to fail fast, saving time during TDD loops and CI runs. * Configure RSpec to run tests in random order, potentially exposing inter-dependent tests.
* Update `README.md` to include a notice of new direction * Update `CONTRIBUTING.md` with JSON info and linting before commiting * Update links to learn.thoughtbot or json file * Add gist for RegEx * Update Product Design link to old md page
* Start HTML trail. * Start CSS trail. * Add content to typography, grids, visual design, and information design. * Fix Amazon links. * Add validation to information design. * Add HTML and CSS trails to README. * Remove "Know" in Critical Learning sections. * Add "Use vocabulary when..." validations.