removed unused code
bugfix: Adding a 'Raw Data Matrix' File breaks SDRF preview
bugfix: The ENA library info contains an explanation in brackets after the actual term e.g. RANDOM (Random selection by shearing or other method). The values in brackets should not appear in exported SDRF
bugfix: protocol contact  was changed to performer
bugfix: show array description first
bugfix: Casing of Sample characteristics and Factor Value category terms needs to match EFO standard
bugfix: 'Experimental Factor Name' in IDF should be lower case