log parsing errors to stdout

ocis/pkg/command/proxy.go

@@ -1,6 +1,8 @@
 package command
 
 import (
+	"fmt"
+
 	"github.com/owncloud/ocis/extensions/proxy/pkg/command"
 	"github.com/owncloud/ocis/ocis-pkg/config"
 	"github.com/owncloud/ocis/ocis-pkg/config/parser"
@@ -15,7 +17,11 @@ func ProxyCommand(cfg *config.Config) *cli.Command {
 		Usage:    subcommandDescription(cfg.Proxy.Service.Name),
 		Category: "extensions",
 		Before: func(ctx *cli.Context) error {
-			return parser.ParseConfig(cfg)
+			err := parser.ParseConfig(cfg)
+			if err != nil {
+				fmt.Printf("%v", err)
+			}
+			return err
 		},
 		Subcommands: command.GetCommands(cfg.Proxy),
 	}