Merge pull request #48 from DriesS/master

Support other currencies then Dollar, use the money helper in display of prices
money helper has been deprecated, so let's use Spree::Money.new instead

Fixes #53
Rejecting a volume price if the amount and range are empty.

Fixes #52
Fixes #55
Bump to Spree 2.3.0.beta
Added translation to discount type dropdown list

Fixes #58
Update install_generator.rb

Move assets to vendor and update generator

Specify 2-2-stable to fix travis errors

Fixes #64
Spec fixes.
Bump for edge.
use content tag instead of html

add an icon for volume pricing tab

update translation for spree 2 namespacing

add whitespace to product volume pricing view

update volume pricing translations globally for spree 2

lowercase, not uppercase spree for locales

use spree translation for current tab condition

include blank and add select2 to discount select

update actions to use spree delete button
Fixes #68