Proper gemspec.
Proper gemspec.

Change-Id: Iac77a76be1584cfb5b01021f32ba6416745717bb

freerunningtech/spree-custom-store-email,freerunningtech/spree-custom-store-email,StemboltHQ/spree-custom-store-email,StemboltHQ/spree-custom-store-email