digicademy/svsal: SvSal v1.2.0

This is a minor release with some additions and revisions (especially with regards to the documentation sections) as well as some fixes.

Additions and Revisions:

• Smaller revisions of the SalTEI (Relax NG) schema, including an introduction of new editing statuses for works.
• Extensive revision of the edition guidelines and addition of English and Spanish versions.
• Addition of English and Spanish versions for the search functionalities' help/documentation.
• Smaller revision of generic TEI work metadata.
• Extension of information on privacy policy of the web application and legal aspects of the project.

Notable Fixes:

• Fixed the corpus creation and download functionalities.
• Fixed some deployment and package indexing routines.
• IIIF manifests now include "startCanvas" and "thumbnail" properties with appropriate values.