New directory structure

Author: Tobi Fuhrimann

accept_invitation.go internal/appcloud/accept_invitation.goaccept_invitation.go renamed to internal/appcloud/accept_invitation.go

@@ -1,18 +1,17 @@
-package main
+package appcloud
 
 import (
 	"encoding/json"
 	"fmt"
 	"strings"
 
-	"github.com/pkg/errors"
-
 	"code.cloudfoundry.org/cli/cf/terminal"
 	"code.cloudfoundry.org/cli/plugin"
+	"github.com/pkg/errors"
 )
 
 // AcceptInvitation accepts a pending invitation.
-func (p *AppCloudPlugin) AcceptInvitation(c plugin.CliConnection, invitationGUID string) error {
+func (p *Plugin) AcceptInvitation(c plugin.CliConnection, invitationGUID string) error {
 	un, err := c.Username()
 	if err != nil {
 		return errors.Wrap(err, "Couldn't get your username")