1.6.6 released

Use scriptHelper 1.6.2
Use jSoup 1.17.2
Use jElasticlunr 1.7.1
Show some errors at the command-line level in the error window which were not shown previously (such as properties which do not exist)
Avoid to have NPE exceptions if a moreInfo reference is directed on a template article
Show the package of image references in error messages
Add the archiveurl element