initial boostrap for Autorizer
request access token
podspec and AG header file
podspec fix folder missing
fix typo in podspec
authorizer fixes typos
typos AuthzConfiguration
requestAccess wrong URL format
requestAccess wrong URL format2
switch to AFHTTPClient
switch to AFHTTPClient2
add scope from config in AGRestAuthzModule init
OAuth2 dance
add exchange code to access token endpoint
deal with success callback with accessToken as param
add documentation in AGAuthzModule header file
Swith from AFHTTPClient to AGHttpClient
unit test for OAuth2
add comments in header files
refactor requestAccessSuccess:failure: method to remove extra parameters