more custom field work done
Merge branch 'master' of https://github.com/opencart/opencart
more custom field work done
Maybe not very important but in admin/view/template/design/banner_form.nl on line 122 set width to 800
Fix whitespace, spaces to tabs

This commit has no functional changes, just changes to whitespace and
tabs. This covers all the files inside the system folder.

1. Remove blank lines
2. For consitency, convert spaces to tabs everywhere. Most of the code
is in tabs, but several locations were either just spaces or a mixture.
Remove .ds_store garbage
Merge pull request #407 from Milow/master

Cleanup whitespace in /system/*
Update upload/system/library/cache.php

close($handle); changed to fclose($handle);
Fixed option required!
Merge pull request #410 from apophis-cms/master

fix for file cache.php
Merge pull request #411 from e-piksel/master

Fixed option required!
updated the the checkout system to simplify it and prepare for adding custom fields.

i have removed the company id and tax id from most of of the code as custom fields can handle this job. also i plan on adding a vqmod style system and will include vat validation as a mod.

still unfinished.
mysqli.php -> fixed wrong syntax
Merge pull request #416 from Zemistr/master

mysqli.php -> fixed wrong syntax
filter fix
replace is_null with  !== null
[opencart] Padigantion don't work correktly (#419) fix
more address changes done
Added some phpDoc comments to engine files wich describes objects that registry contains.
Very useful for autocomplete feacher of IDE's like Netbeans and Eclipse PDT in child controllers, models etc.
changed manager to modification.php