Adapt for Rails 4
Register the promotion
Fix calculator registtrator
Add espanol localization
Add select2 script for taxon select fields
Change taxon preference type to integer

Just to pass the id instead of name
Change promotion rule view

Add select taxon field
Extend helper for preference fields generation to pass data

In case of taxon apply select2 to the field
Add install generator for script
Add new gem information
Merge pull request #1 from SblSsS/master

Support for spree 2.1