create/delete repo api
repo.write and repo.remove is updated to use new Github api: 2 calls versus multiple
better getSha and read functions
repo.contents is updated to support current api, browser stubs removed from package.json
Add additional github repo APIs

Implements
- listTag
- listPulls
- compare
Add getPull and listIssues APIs
Merge branch 'master' of github.com:darvin/github
Merge branch 'whitespace'
Merge branch 'simpler_auth'
Merge branch 'repo-features' of github.com:kpdecker/github into pull_reqs
Merge branch 'patch-1' of github.com:kekscom/github into pull_reqs
Merge branch 'master' of github.com:RayKwon/github into pull_reqs
Merge branch 'support-repo-hooks-api' of github.com:tricknotes/github into pull_reqs
Merge branch 'add-notifications' of github.com:FajitaNachos/github into pull_reqs
Merge branch 'auto-paging' of github.com:kpdecker/github into pull_reqs
Sync with some of the fixes in STRd6/github-js
Merge branch 'STRd6-master'