Added association type to store association info
Bug fix and test update

- Fixed a bug in missing uri on POST requests
- Updated test script to send an authentication request to server
Update in openid server

- Review in test script
- Corrections on regular expressions used
- Review in log messages and exceptions types
- Implemented negative response in association request,
all connections will be processed under STATELESS format
- Defined some of association type fields
- Started authentication processing
Merge branch 'master' into openid