Address all eslint warnings

Address all eslint warnings that were still present by:

* Extracting code to a new function in order to reduce complexity
* Renamed error variables and use shorthand notation for objects
* Disabling eslint warnings where addressing the issue would require too much refactoring

route/result/index.js

@@ -30,8 +30,8 @@ function route(app) {
 			app.webservice
 				.task(request.params.id)
 				.result(request.params.rid)
-				.get({full: true}, (error, result) => {
-					if (error) {
+				.get({full: true}, (webserviceError, result) => {
+					if (webserviceError) {
 						return next();
 					}
 					response.render('result', {