Demonstrate greeting the user by a user attribute on the additional authentication factor prompt JSPs.
trivial: style: end `cas.properties` with a newline
Merge pull request #39 from Unicon/GREET-USR-BY-ATTR

Demonstrate greeting the user by a user attribute
Changed mfa argument extractors to be communicated as a set rather than a list.
Merge branch 'master' into SAML-AUTHN-METHOD

Conflicts:
	cas-mfa-web/src/main/webapp/WEB-INF/mfa-servlet.xml