Fix typo in Rainforest URL

Raiforest -> Rainforest
Merge pull request #3 from Erikmitk/patch-1

Fix typo in Rainforest URL
Merge pull request #2 from cjwirth/master

fix broken links, update code example
Updated Specs and Specs Repo guide for Trunk
Stressed manual testing in Specs and Specs Repo
Expanded on testing in Specs and Specs Repo guide
Adding changes requested by @alloy in
https://github.com/CocoaPods/guides.cocoapods.org/pull/6/
Merge pull request #6 from squarefrog/specs_update

Specs update
Changed pod push text to pod repo push
Merge pull request #8 from squarefrog/private_pods

Changed pod push text to pod repo push