First cut of timezone support in the API
Fix internal doc links
Improve wording and fix typo's
Add link to timestamp example and add curl example

Show how curl can be used to set the header and where more information
on specifying timestamps can be found.
Add feedback link for contact
Add timezone handling list to general docs as well
Include explicit example of git commit message
Add comma
Add comma
Consistently use 'timezone' (one word)
no longer an encoded JSON string
update for deployment payloads
input from @pengwynn
Merge pull request #110 from github/deployments-api-change-numero-uno

Deployments API
Merge branch 'master' into dbussink/api_timezone_improvements
Change date of blog post for timezone handling
Update actual date in blog post
Merge branch 'master' of https://github.com/github/developer.github.com into internal-master
Merge branch 'master' of https://github.com/github/internal-developer.github.com into dbussink/api_timezone_improvements