Add action, organization and installation objects to WebHook payload (#1678)

Fixes #1674.

Author: afdesk

Diff for: github/github-accessors.go

@@ -19,18 +19,21 @@ import (
 //
 // GitHub API docs: https://help.github.com/articles/post-receive-hooks
 type WebHookPayload struct {
-	After      *string          `json:"after,omitempty"`
-	Before     *string          `json:"before,omitempty"`
-	Commits    []*WebHookCommit `json:"commits,omitempty"`
-	Compare    *string          `json:"compare,omitempty"`
-	Created    *bool            `json:"created,omitempty"`
-	Deleted    *bool            `json:"deleted,omitempty"`
-	Forced     *bool            `json:"forced,omitempty"`
-	HeadCommit *WebHookCommit   `json:"head_commit,omitempty"`
-	Pusher     *User            `json:"pusher,omitempty"`
-	Ref        *string          `json:"ref,omitempty"`
-	Repo       *Repository      `json:"repository,omitempty"`
-	Sender     *User            `json:"sender,omitempty"`
+	Action       *string          `json:"action,omitempty"`
+	After        *string          `json:"after,omitempty"`
+	Before       *string          `json:"before,omitempty"`
+	Commits      []*WebHookCommit `json:"commits,omitempty"`
+	Compare      *string          `json:"compare,omitempty"`
+	Created      *bool            `json:"created,omitempty"`
+	Deleted      *bool            `json:"deleted,omitempty"`
+	Forced       *bool            `json:"forced,omitempty"`
+	HeadCommit   *WebHookCommit   `json:"head_commit,omitempty"`
+	Installation *Installation    `json:"installation,omitempty"`
+	Organization *Organization    `json:"organization,omitempty"`
+	Pusher       *User            `json:"pusher,omitempty"`
+	Ref          *string          `json:"ref,omitempty"`
+	Repo         *Repository      `json:"repository,omitempty"`
+	Sender       *User            `json:"sender,omitempty"`
 }
 
 func (w WebHookPayload) String() string {