lib/Genesis.js
function cleanCache() {
				// Remove the provided cache directory
				if (__options.state == 'development' && cacheState) {
					__options.state = 'updateOnly';
					return;
				}
				log.v('Removing the old cache.');
				cacheInterface.clean();
			}
function cleanCache() {
				// Remove the provided cache directory
				if (__options.state == 'development' && cacheState) {
					__options.state = 'updateOnly';
					return;
				}
				log.v('Removing the old cache.');
				cacheInterface.clean();
			}
///////////////////////////////////////////////////////////  Only helper functions beyond this point of this scope  
Remove the cache if it currently exists in the given directory