Fixes for nG6: - Path to application.prperties fixed in nG6_utils.php (Issue #216) - Fix for the purge delay variable in nG6_pi6_purge.php (Issue #217) - .png files are now displayed in the analysis page (Issue #218) - Update to workflows/components/contaminationsearch.py (Issue #221) - Remove the size display from the project an run pages (Issue #224) - Remove the hidden runs and analyses from the purge process (Issue #225)