Link to PHPUnit contribution how-to document
Tweak "Support" section
Tweak horizontal ruler
Copy/Paste/Adapt from JUnit.org
Tweak space between headline and download boxes
Fix whitespace
Tweak buttons
Tweak button
Refactor resources page into presentations page
Tweak button
Use highlight.js instead of prettify.js
Elaborate on the usage of the PHPUnit command-line test runner
Fix whitespace
Mark Brazilian Portuguese, French, and Simplified Chinese translation of the documentation as outdated
Cleaned up font usage.

 * Removed unused fonts.
 * Added missing variants.
Add training link
Fix whitespace
Address #4
Fixes #5.

Made the navbar collapse at `@screen-md-min` to prevent wrapping.
Add (tentative) release dates for PHPUnit 3.8 and PHPUnit 3.9.