updates readme to use v0.4 tag
Pass the default scope to storage.
Merge pull request #79 from bojanz/set_default_scope

Pass the default scope to storage.
Ignore editor, OS and test files
Update README with more info on grant types

- Info on using the refresh token not so obvious as well as the fact
that you can add multiple grant types
- Fix a few typos
Updated validateAuthorizeRequest description

validateAuthorizeRequest does not always return a boolean.
updates travis to new mongo install command
Merge branch 'develop' of github.com:bshaffer/oauth2-server-php into develop
Merge pull request #83 from itsmrwave/develop

Update README with more info on grant types
Merge pull request #84 from trickleup/develop

Updated validateAuthorizeRequest description
Merge branch 'develop' of http://github.com/bshaffer/oauth2-server-php into develop
fixes #78 - makes db and config protected properties in Pdo storage class
Merge branch 'master' of http://github.com/bshaffer/oauth2-server-php into develop
links to docs for error message
updating readme to v0.5 for latest tag
Merge branch 'develop'