Do not fail logout due to mismatch between http and https in endpoint.

Can happen if the SSL communication is offloaded from the application server.
Added ability to disable auto configure of OIOSAML. When deployed as a standard package which sometimes requires it.
Added oiosaml_ postfix to database tables
Adding postgresql schema
Handle missing log4j conf
Introduce command line tool to auto generate SP Metadata and load IdP metadata to database
Clean schema on each invocation
Make sure we do not require x509 certificates
Fixing unit test
Use database backed session store
Use oiosaml_ prefix for access to database tables
Extra output for configuration generator
Fixing database configuration and default session handler config
Adding support for specifying configuration class and JNDI name of datasource as init parameters in web.xml