adds docWorks-created alto and mets for Surrealisme.
adding preliminary mods for bmtnaar (East and West) to repository.
adding Jo's version of Surrealisme to repository.
adding new METS/ALTO for East and West.
Surrealisme now works.

Merge branch 'surrealisme'
adding timeline for pricing to repository.
adds some named index fields to the eXist collection.xconf file.
making some changes to l'elan -- these should have been added in the elan branch.
adding pre-conference press release to repository.