UAR-418

- Integrate CAS functionality:
    - Removing demo cruft from web.xml, adding in CAS filters and
      mappings.
    - Adding dependencies for UserLoginFilter override.
    - Adding basic spring config files for local Rice overrides, namely
      KIMLdapSpringBeans.xml.
- Integrate LDAP/EDS functionality:
    - Adding pom changes for pulling in rice-ldap.
    - Adding pom.xml dependency elements to prevent rice-ldap from
      duplicating libs with older versions.
    - Changing LDAP name properties in KIMLdapSpringBeans.xml
    - Correcting config for KIM parms to be picked up.
    - Adding override classes to get past KIM tables being consulted for
      active status of users.
    - Adding Mapper classes in order to do NPE guarding against
      information that is optional in EDS.
    - Adding in logic for active/inactive Person search, corrected unit
      code to show up in Person screen, corrected employeeId to show up.