moved biopsy site reporting from free text to select menu; new ncrs_cosd script to generate xml/snomed data for NCRS; 3434 tests pass

updated .t scripts; unlink pdf tmp file only if exists - occasionally doesn't so generates unlink error

PDS interface now complete; minor bugfxes to test scripts to sync with recent tag class changes in user template

moved LOGIN_SESSION_TIMEOUT 'CUSTOM' code to custom_timeout() sub; C::Admin::User::update_user_details() retrieves new user.id to fix (recent) uninitialized val warning in permissions.t; added debug.log fh to L::Local::Debug::DEBUG(); added 'function' object to M::User::get_user_permissions() to save multiple db lookups

hilis3 conversion scripts for YHHN