Add missing vars

Author: ptylek

app/code/Magento/Customer/view/frontend/email/change_email.html

@@ -8,7 +8,8 @@
 <!--@vars {
 "var store.frontend_name":"Store Name",
 "var store_email":"Store Email",
-"var store_phone":"Store Phone"
+"var store_phone":"Store Phone",
+"var customer.name":"Customer Name"
 } @-->
 {{template config_path="design/email/header_template"}}
 

app/code/Magento/Customer/view/frontend/email/change_email_and_password.html

@@ -8,7 +8,8 @@
 <!--@vars {
 "var store.frontend_name":"Store Name",
 "var store_email":"Store Email",
-"var store_phone":"Store Phone"
+"var store_phone":"Store Phone",
+"var customer.name":"Customer Name"
 } @-->
 {{template config_path="design/email/header_template"}}
 

app/code/Magento/Customer/view/frontend/email/password_reset.html

@@ -9,7 +9,8 @@
 "var customer.name":"Customer Name",
 "var store.frontend_name":"Store Name",
 "var store_email":"Store Email",
-"var store_phone":"Store Phone"
+"var store_phone":"Store Phone",
+"var customer.name":"Customer Name"
 } @-->
 {{template config_path="design/email/header_template"}}