fix reset_preferences
option values color hex front and backend
files moved from hallyu to spree_variant_options
Merge branch 'option-values-volor' of https://github.com/bounthr/spree_variant_options

* 'option-values-volor' of https://github.com/bounthr/spree_variant_options:
  files moved from hallyu to spree_variant_options
  option values color hex front and backend

Conflicts:
	spree_variant_options.gemspec
cleanup assets to admin
color options
Merge pull request #3 from bounthr/option-values-hex

color options
fix: metadata color