We should use public methods instead of properties.
Added a badge with latest stable version info.
Updated license docblocks. Fixes #25
Updated issues url to correct location.
Correct urls for badges.
Multiple repositories can registered for multiple content providers.
Moved provider loading to the repository.
Merge pull request #28 from fabricius/repositories

Added support for multiple content repositories
You can now authorise with Github by username/password or token.
Get all repositories from the library.
Correct name of function.
Updated Guzzle dep version.
Correct path for configuring authorization header.
Testing both authentication methods.
Name is configured on repo level instead of library.
Name should be set on storage.
Created a provider for files on Google Drive.
Refresh access token when expired.
We should return the second load call.
Correct count for retries.