added missing import
remove fallback to N/A for address zip_code and state
Merge pull request #105 from mthornhill/removezipcode

remove fallback to N/A for address zip_code and state
ensure that our addresses get deep copied when creating an order, need to set id and pk to None when copying an inherited model https://docs.djangoproject.com/en/1.4/topics/db/queries/#copying-model-instances
Merge pull request #106 from mthornhill/deepcopyaddresses

ensure that our addresses get deep copied when creating an order
code formatting
Added manufacturer filter to filter portlet
added filter portlet migration for manufacturer filtering
small code reformat; fix ordering issue at customers list in management panel
Merge branch 'master' of github.com:diefenbach/django-lfs
filter by product parent's manufacturer for variants
Fix circular imports, issue #108
decrease number of queries in filtering
display property title instad of name at management page
default ordering of products by name
fix disable enter key 'e is undefined' javascript error when filtering products
redirect to parent after variant delete
minimize number of db queries
resolve issue #41; add get_effective_price to price calculator
remove what was supposed to be removed