Merge pull request #36 from F21/master

Updated README to document JWT Authorization Grant.
Fix for getRefreshToken() in Pdo.php

Fix for 'PDOStatement::execute() expects parameter 1 to be array, string
given' introduced by line 148 in commit
97bdd2ca13ae03415982cdab8965dc605b4882be
Fix for expireAuthorizationCode() in Pdo.php

Fix for 'PDOException' with message 'SQLSTATE[HY093]: Invalid parameter
number: parameter was not defined' introduced in commit
42e626cce684e6aa9a64bfc94f6e4b9dc4a837cf
Merge pull request #37 from dsquier/develop

Fix for getRefreshToken() in Pdo.php
fixes #39
Merge branch 'develop' of github.com:bshaffer/oauth2-server-php into develop
adds tests for fix to #39
adds documentation for the controller layer
addresses #32 - grant types are now HTTP POST only
ensures all tests pass for new branhc
Merge branch 'restrict_granttypes_to_post' into develop
Merge branch 'develop'
matching headers with spec when token is returned
Added syntax highlighting to all php code
adds support for application/json contentTypes
matching headers with spec when token is returned
adds support for application/json contentTypes
Merge branch 'develop' of http://github.com/bshaffer/oauth2-server-php into develop
Merge pull request #41 from Arul-/patch-1

Added syntax highlighting to all php code
adds newline at end of file - trying to refresh the github tree