Use debug instead of console.* everywhere

No need to patch up console.* anymore

also removes supererror

src/dockerproxy.js

@@ -55,7 +55,7 @@ function attachDockerRequest(req, res, next) {
         // Force node to send out the headers, this is required for the /container/wait api to make the docker cli proceed
         res.write(' ');
 
-        dockerResponse.on('error', function (error) { console.error('dockerResponse error:', error); });
+        dockerResponse.on('error', function (error) { debug('dockerResponse error:', error); });
         dockerResponse.pipe(res, { end: true });
     });