Add first draft of 'Acceptance Now'
Add cross-links to acceptance tests posts.
Acceptance now: general cleanup.

- Fixed some broken links
- Changed some words to avoid repetition
- Added a few more links.
- Got rid of some annoying _italics_
Update date of Acceptance Now to today.
Final sweep: spelling, subtitles, links.
Merge pull request #11 from samsalisbury/acceptance-now

Add first draft of 'Acceptance Now'