lib/lingo/language/dictionary.rb (select*): Refactored.
lib/lingo/language/dictionary.rb (select_with_suffix): Select full entry for lexicalized compounds iff head matches attr.
lib/lingo/attendee/synonymer.rb: Optionally generate synonyms for compound parts, too.
*.lang: A little cleanup.
lib/lingo/{attendee,language}/: Updated copyright year.
lib/lingo/database.rb (prepare_lex): Allow (and ignore) words after head noun.

- Inflect sequence of adjectives, starting at the beginning, followed by a noun.
- Introduced suffix for plurale tantum.