Spanish language files up to r1671

Description

This includes the translations pointed in issues 1108 and 1109, although I have not included all the texts of the files submitted in those issues, as I think the texts I've included here fit better.

Environment

None

Steps to reproduce

None

Assignee

Michael Sasek

Reporter

David

Labels

None

Severity

Minor

Components

Fix versions

Affects versions

Priority

Configure