Added missing translation
Revert "Added missing translation"

This reverts commit 404ad184253b0f7a14be31ac2f6fb26dd67766bc.
Replaced `Rest` not translated string with `AlreadyPaid`
Revert "Replaced `Rest` not translated string with `AlreadyPaid`"

This reverts commit 580881c205080fec5447039d91726a209597fa43.
Revert "Revert "Added missing translation""

This reverts commit 85866ff9a645a7125b947bd4bda312f72b3c03b3.
Improved es_ES translations and replaced missing translation
Merge pull request #829 from marcosgdf/translations

Added missing translation