Migrate to built-in Go vendoring.

This also removes `godep` calls from make scripts. Of note is that
currently `./...` checking in acceptance tests is disabled.

vendor/github.com/google/go-github/github/users_emails.go

@@ -0,0 +1,69 @@
+// Copyright 2013 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+// UserEmail represents user's email address
+type UserEmail struct {
+	Email    *string `json:"email,omitempty"`
+	Primary  *bool   `json:"primary,omitempty"`
+	Verified *bool   `json:"verified,omitempty"`
+}
+
+// ListEmails lists all email addresses for the authenticated user.
+//
+// GitHub API docs: http://developer.github.com/v3/users/emails/#list-email-addresses-for-a-user
+func (s *UsersService) ListEmails(opt *ListOptions) ([]UserEmail, *Response, error) {
+	u := "user/emails"
+	u, err := addOptions(u, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	emails := new([]UserEmail)
+	resp, err := s.client.Do(req, emails)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return *emails, resp, err
+}
+
+// AddEmails adds email addresses of the authenticated user.
+//
+// GitHub API docs: http://developer.github.com/v3/users/emails/#add-email-addresses
+func (s *UsersService) AddEmails(emails []string) ([]UserEmail, *Response, error) {
+	u := "user/emails"
+	req, err := s.client.NewRequest("POST", u, emails)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	e := new([]UserEmail)
+	resp, err := s.client.Do(req, e)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return *e, resp, err
+}
+
+// DeleteEmails deletes email addresses from authenticated user.
+//
+// GitHub API docs: http://developer.github.com/v3/users/emails/#delete-email-addresses
+func (s *UsersService) DeleteEmails(emails []string) (*Response, error) {
+	u := "user/emails"
+	req, err := s.client.NewRequest("DELETE", u, emails)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(req, nil)
+}