Merge pull request #43 from elasticio/add_variant_nenad

Add variant nenad
Improved some labels
Merge pull request #44 from elasticio/improved_labels_igor

Improved some labels
Merge pull request #45 from elasticio/add_variant_nenad

Bugfix
Add product type select box
Exporting getProductTypeSelectModel on helpers.js
Using getProductTypeSelectModel from helpers.js
Adding required require
bugfix
Typo fix
Reusing get meta model
Reusing get meta model
Make getMetaModel find path properly
Fix productVariant initial metadata
Make sure get meta model works for both cases
Add Variant with custom attributes
Change masterVariantReference to masterVariantSKU
Merge with master
Bugfix
Propper formating for custom attributes