removed the branches endpoint

we already have branch info accessible via the repos endpoints, having this at the root level doesn't make sense.
be more forgiving with scopes for /auth/github
Merge pull request #109 from travis-ci/rkh-forgiving-github-token-auth

be more forgiving with scopes for /auth/github
Fix entry point url for /auth/github in docs
Add requests API

Requests API allows to get the requests from the DB and thus enable
users to have more insight into what's going on in their repositories.
Merge pull request #112 from travis-ci/ps-requests-api

Add requests API
Merge pull request #110 from punchagan/minor-doc-fix

Fix entry point url for /auth/github in docs
Bump travis-core
Add /requests/:id endpoint
recommend using script/server

[ci skip]
Is accomplishable a word?
Merge pull request #113 from zzak/overview_grammar

Is accomplishable a word?
Add SVG badges.
Add responder for svg badges.
Add Badge to available responders.
Return right mime type for SVG.
Move API v2 payload definitions to travis-api from travis-core
Merge pull request #115 from travis-ci/ps-move-payloads-to-api

Move API v2 payload definitions to travis-api from travis-core
Remove code accidentally checked in
Allow to handle settings collections