Changed path to test images to src in order to make all tests pass again.
Fixed display of standard price within category products view.

The standard price was displayed wrong if the price calculator
"price excludes tax" was selected and the product was for sale.
Fixed calculation of prices within GrossPriceCalculator when customer taxes are used.
Cleaned up docstring of CategoryProductPricesGrossNode.
Added CategoryProductPricesNetNode to lfs_tags.

This can be used within category products templates in order to
calculate and display all needed net prices of a product.
Added CategoryProductPricesNode to lfs_tags.

This can be used within category products templates in order to
calculate and display all needed stored prices of a product.
fixed pagination link
Bugfix: fixed wrong label for e-mail field; issue #202.

Wrong label for e-mail field within login forms had been displayed
when the form hasn't validated.
Bugfix: update product view after images has beend changed; issue #200.

The product view hasn't been updated when caching was turned on.
Fixed wrong arguments in calls to voucher API.
Refactored manufacturers.
Bugfix: fixed calculation of package prices for configurable products.
Removed debug code.
Bugfix: don't pass request to PriceCalculator base_packing_price methods.
Bugfix: cleaned up parameters and arguments of PriceCalculator. Updated doc strings.
Bugfix: make it possible to uncheck "Active packing" and "Active base price" checkboxes.
Fixed update cart after login for configurable products; #issue gh #8

Added additional tests for that.
Catch wrong floats in calculate_packing. Makes pass all tests again.
Delete belonging files on the file system after an Image, File or ProductInstance has been deleted; issue #185.

Updated documentation and tests as well.
Removed deprecated code.

Removed all code which was deprecated with version 0.6.