'Backordered' translation added for Dutch

Fixes #397
Dutch translations added and fixed
Fixes #389
[nl] Kaminari translations added

Fixes #401
use i18n_data for country_names

Fixes #400
[ru] add more strings, fix pluralizations

Fixes #399
[en-GB] Fix destory to destroy

Fixes #402
[fr] 100% translated

Fixes #403
Fixes for font-awesome changes & i18n data errors.
Correct asset requires in README

Fixes #405