[MOD] Renamed product_variants modules
[MOD] New name and security files fixed
[FIX] <purchase_product_variants> Error with onchange solved
[MOD] <purchase_product_variants> Lil' change
[FIX] <purchase_product_variants> PEP8 error fixed
Merge pull request #142 from oihane/8.0-rename-variants

[MOD] Renamed product_variants modules