Replaced SQL sprintf's with data bindings to allow use with Postgresql PDO backend.
Merge pull request #30 from KodoArkivo/develop

Replaced SQL sprintf's with postgres friendly data bindings.
Merge branch 'master' of git://github.com/F21/oauth2-server-php into F21-master
Added doc block for JWT generator in the JWT test to explain the parameters.
Updated formatting to compile with psr-2.
Merge branch 'develop' of github.com:bshaffer/oauth2-server-php into develop
addresses #26 - fixes name of ResponseType_AuthorizationCodeInterface
Converted OAuth2_Util_JWT to non static and updated JWTBearer grant type and its tests.
Fixed formatting.
addresses #26 - PSR2 standards fixes
addresses #26 - adding newlines to the end of every file
Merge branch 'master' of git://github.com/F21/oauth2-server-php into F21-master
resolves php fatal error - interface was extending the wrong class
Fixed formatting to psr-2 standards.
Merge branch 'master' of git://github.com/F21/oauth2-server-php into F21-master
merges PR, resolves conflicts, and resolves some formatting issues
creates Scope Util, addressess #34
fixes #21 - adds 'expireAccessToken' to access token storage interface
Updated documentation for JWTBearer grant type and also updated JWTBearer grant type to require and check for the "sub" property in the JWT.
Updated tests for JWT brearer grant type to test for the "sub" property.