Revert "Active class on nav links"

This reverts commit 803af60d41756a58010e2af0eeba0758a55a7cf3.
Merged summary.php and view_cart.php
Merged summary.php and view_cart.php - fixes #77
Merge branch 'cart-table' of https://github.com/olimortimer/GoCart into cart-table
Merged summary.php and view_cart.php - fixes #77
Merge branch 'cart-table' of https://github.com/olimortimer/GoCart into cart-table
Merged summary.php and view_cart.php (missing commit) - fixes #77
Merge branch 'cart-table' into 2.0-Development
Replace goedit with redactor
update jquery / jquery UI
fix some language items
make some legacy css classes match the new format
replace goedit references with redactor
update css classes
update css classes and move related products to the bottom for mobile devices
Merge view cart & checkout summary table

There is an additional if statement included to add the ability to
update quantities on the view cart page.
Fix Firefox bug where the image upload form is hidden.
update
Update licenses

Put all related licenses into a single text file and updated GoCart
license.
Add gocart attribution to footer.