add sample ID validation for Genomics; remove genomics.xsd symlink from repository tracking

refactored report_notification block for improved clarity; permitted designation now defined in config files; allows user to set notifications inactive

moved xtr_96 dummy data to Roles::Storage; adapted xtr-96 functions to handle 24, 48 or 96 well racks - controller supplies dimensions toi .tt to draw table; changed configurdation for ftp_file() method to use cwd if supplied and ability to override binary mode; syncona-14mg script logs datetime; new genomics xsd after field changes; disabled some labels in genomics cancer blood SLF

extended xml validation to include patterns that cannot be validated using XML libs (eg family id pattern); modifications to lab-test field names

bugfix to RD SLF - reversed removal of spacer row in previous commit; adapted schema for cancer dataset

patched histology blocks worklist to hide non-block/slide sample types; 1 new & 1 renamed field for genomics, returned additional_samples to SpecimensBlood for legacy ppm xml validation

adapted Genomics registration to enable select button if patient exists but no attached request - previously was blocked if patient registered and request not subsequently submitted

fixed RDBO error msg if sample_linkage_form select submitted empty; put xml validation into genomics_xml.pl with admin notification of failure; added validation tests to genomics.t