Merge pull request #177 from sigmavirus24/master

Note "forking to an organization" changes in the docs
Clarify how to request higher rate limit
Fix typo
mention the oauth2 key/secret method of 'logging in' with your oauth app
blog about the fork change
Restore missing header
fix typo in content/v3/orgs/members.md
user/repo dump apis
Merge pull request #178 from joeyw/fix-typo-in-org-members

fix typo in content/v3/orgs/members.md
Add docs for Gitignore Templates API
Move gitignore docs
Gitignore API blog post
Document new Authorizations API params
user agent is required
some wiggle room
Document new batch comments methods
Batch comments post
Headline style tweak
Tweak to batch comments post
Document missing search param