Add a button to open the account list.

Also fix the account list dialog's close button.

gui/dialogs/AccountListDialog.cpp

@@ -56,7 +56,7 @@ void AccountListDialog::on_editAccountBtn_clicked()
 	// TODO
 }
 
-void AccountListDialog::on_closedBtnBox_rejected()
+void AccountListDialog::on_closeBtnBox_rejected()
 {
 	close();
 }

gui/dialogs/AccountListDialog.h

@@ -43,7 +43,7 @@ slots:
 	void on_editAccountBtn_clicked();
 
 	// This will be sent when the "close" button is clicked.
-	void on_closedBtnBox_rejected();
+	void on_closeBtnBox_rejected();
 
 protected:
 	std::shared_ptr<MojangAccountList> m_accounts;