Ensure --quiet flag is honored

The code to disable logging ran before command line flags are parsed.
Moved them around.

Fixes #45

main.go

@@ -64,13 +64,13 @@ func main() {
 			}
 		}
 
+		utils.ApplyFlags(cliFlags, flagMappings, c, appOptions, backendOptions)
+
 		if appOptions.Quiet {
 			log.SetFlags(0)
 			log.SetOutput(ioutil.Discard)
 		}
 
-		utils.ApplyFlags(cliFlags, flagMappings, c, appOptions, backendOptions)
-
 		if c.IsSet("credential") {
 			appOptions.EnableBasicAuth = true
 		}