add price_net to order
added todo about shop parameter
use CustomerAuthenticationForm
force price to be float - otherwise causes exceptions in price calculators
translation refresh
added filtering and pagination to properties management form
added manufacturers filter to products overview
refactored adding variants to fix max slug length problem
code cleanup
fix variant properties update: duplicate key error on Filterable ppv
fix duplicate key problem with product property management
cleanup of property->prop; display variant properties at Variant's Properties tab
updated french translation
added helper methods for variant display types
some formatting; added information about filterable/displayable properties
some minor code cleanup; added ordering of properties in management panel
Excess space in indent remove

Excess space in indent remove
resolve issue #115
Remove useless imports

Remove useless imports. Repair of lfs_migrate
fix default sorting for categories