new admin function to register new user from email application; moved C:::User::_generate_new_password() to C::Roles::User for sharing with C::Admin::User::new_user()
patched date validation to allow date fields day, month & year to carry prefix (dob_* or request_*); patched .t and .tt to submit correct param (eg dob_day instead of day)
new search field request date- refactored L::Local::Search::generate_query() date fields; need to fix validation on request date fields in main_form.tt
