Update order.php

Added custom fields code to controller in order to be shown on order_info.tpl
Update order_info.tpl

Added custom fields to the followings section on sale/order/info 
Order Details => Account Custom Fields
Payment Details => Address Custom Fields (Asociated to payment address)
Shipping Details => Address Custom Fields (Associated to shipping address)
Update order_info.tpl

reeplaced some tab errors by spaces acording to code rules
Merge pull request #2029 from CoverUp/master

Added missing custom fields on sale/order/info
added login account lock if the customer or affiliate enters the wrong password to many times.
removing the need for naming the language default folder and just using the name default for the main language file.
I have removed the need for a language filename
it will now try to load a file called default in the chosen language folder
i think its required for importing the language files properly
sql fix
https://github.com/opencart/opencart/issues/2032
https://github.com/opencart/opencart/issues/2023
https://github.com/opencart/opencart/issues/1961
https://github.com/opencart/opencart/issues/2034
Merged master fixed conflict.