Fix typo.

The 'request' word was written twice in the PUT verb description.
Merge pull request #1 from Flolagale/patch-1

Fix typo.
Add mobi version and update link on resources.html
Update lessons/httpmethods.html

fixed a typo
Merge pull request #3 from jdreesen/patch-1

Update lessons/httpmethods.html
Merge pull request #2 from jrwyatt/master

Added .mobi for Kindle users and updated resources.html to link
Added consumable forms of Best Practices 1.2 (PDF, epub, mobi)
Updated Best Practices Guide to version 1.2, with updated Versioning section.
Updated resources links to new version of BP Guide and external web resources.
Updated README
Added Idempotence tutorial video.
Re-added .htaccess file to GIT
Added some content and fixed the title on the Idempontence page.
Fixed link error to idempotence lesson.
Fixed link error to idempotence lesson.
Update content
Update README.md
Add custom domain name
update Index page
update HTTP methods page