UP-4205 Add and map Filter blocking CVE-2014-4172 .
Refactor : static import of Mockto.mock and .when
Tweak `@since` to reflect Filter in 4.1.1
UP-4205 Upgrade Java CAS Client to v 3.3.3 .

Suppresses the OpenSAML dependency to avoid transitive dependency conflicts.  This works fine for out of the box uPortal and its use of the classic CAS protocol, but it probably isn't fine for adopters wishing to use SAML instead with the Java CAS Client, in which case local build engineering effort will probably be required.
Merge pull request #407 from apetro/UP-4205-master

UP-4205 Upgrade to Java CAS Client 3.3.3 in addition to applying the new request parameter sanitization Filter in master