if(aDelta == null) return true;
	private boolean projectNeedsAnUpdate() {		IResourceDelta aDelta = this.getDelta(this.getProject());		IResourceDelta[] children = aDelta.getAffectedChildren();		for(int i = 0;i < children.length;i++) {			if(!isIgnoredPath(children[i].getProjectRelativePath()))			return true;		}		return false;	}