bugfix: $word >> io($src) & undef > io($src) causing 'useless use of right bitshift/numeric gt' warnings on loading class

spell-check changes: add-new-word function now puts terms in temp file for assessment by admin before importing into site-specific personal dictionary; rebuilt en-medical.rws (extra-dict) from edited contents of old personal dict (.aspell.en.pws) - moved all acronyms/abbreviations into new personal dict (.aspell.leeds.pws); LIMS::_create_user_profile() adds users 'centre' param to session user_profile; adapted spellchecker.pl to work with new dictionary format

adapted request forms upload function to provide encrypted 'centre' token so FileUploader puts request forms in correct location (leeds/uclh)

added ability to sort on col headers to list all lab tests function

new resources function to list all lab tests

modified L::Local::Debug to use Data::Printer coloured output; created new LIMS::ControllerClass to provide L::Local::Debug to caller

new resource to query views; code reuse in resources menu

added ability to select all cases for new/relapsed diagnoses list

completed molecular pcr worksheet functions

admin config for linked lab-tests; added linked lab-test functions to more tests scripts

changed process_status procedure to allow mulitple kill submissions

moved actions associated with unlock into lims_config.pl for central loading for app & templates, and coupled unlock function to associated actions in Resources / user permissions

moved some settings to global settings file, renamed [global] to [sys_admin] and [local] to [local_admin] in settings files

added ability to kill zombie pid processes in resources process-status

added pid owner col to process status resource