AcsInfo encapsulates the information needed to get the token from Azure ACS:

• acs namespace * the relying party address * the issuer and * the issuer key.

An abstract datatype that keeps track of acs token expiry and gets a new one as necessary.

synonym for the ACS password token

construct the context object. This call does not perform any network call yet.

If a valid token is available, it is returned. Otherwise, requests password a fresh password token from windows azure acs

Refer to HTTP Conduit for information about creating and using Manager