Remove hard-coded UNL_Peoplefinder_Record class. Update references so we're only adding the lib path once. Get peoplefinder usage functioning correctly.

work on getemail page that appears during first time CAS sign in.  changes include: moving files arround into the correct elgg structure, adding tokens to the action calls

use local directories rather than PEAR because of lack of access to installing PEAR packages on the live and dev servers

logout now works in cas_auth_unl; pulling in the same login form in both the colorbox and pg/login now