CBA: Fixed issue with tax being passed as product when multiple tax rates are used
Added tests for Category, Information, Manufacturer and Product models in catalog.
Added test for checkout/cart/add method, added output getter to Response class.
Merge pull request #1388 from Martynas-P/master

Fixed issue with tax being passed as product when multiple tax rates are used
fix to Url test.
Copied language fallback from 1.5.6.x to 2.0.x in system/library/language.php

REF: #1366
Changed spaces to tabs.
Fixed TRUE to true for standards
Improvements to standards (spacing of statements.)
Added test for reviews.
moved tests folder outside upload folder.
missing files.
Deleted SQL file in the tests folder.
Fixed closing div element in admin footer.tpl

Closes #1394
Fixed closing p tag surrounding the powered by in catalog/view/theme/default/template/common/footer.tpl
Applied suggested patch for system/library/language.php to default to English and merge additional language.

REF: #1366
Additional standards improvements.
Updated spaces to tabs.
More space indent fixes.
a few fixes