Only import 1 text type for now
add event dependency
add or improved product, brand, brandlink models
expand repository with linker, loader, suggester, syncer

removed coupler in favor of linker model
add loader, linker, suggest methods
alter brand saving method. brands are now saved in separate table
Fix brand relation

brand can only be linked 1on1
Fix unlinking a brand
add loader method for categories
make sure to set categorie when linking product
add relation to sos product
add sync event for price, promo and stock
add product sync event to base gateway
add statuscode
add updating sos flags and online/offline product status
prevent saving prijs and promtion when they haven't changed
Fix parsing promotion data
allow filling of promotion data
add product relation to point virgule brand
add a 'uncoupled' scope, refactor loader accordingly