Remove FN argument from ebib-format-fields
Remove INSTALL and make-ebib-release.sh
Optimise ebib-filters-run-filter
Update year in copyright notice.
Update README.md
Fix header block in ebib.el and ebib-db.el
Move filter and keyword stuff into separate files.
Add provide statements to ebib-{filters|keywords}.el
Update header blocks in all files.
Pretty-print 'any as "any field" in filter.