Moved dictionaries and configuration files to their designated subdirectories.
Dropped legacy lingo.rb script.
Dropped unused spec directory.
Dropped outdated info files.
lib/lingo/attendee/tokenizer.rb: Implemented 'skip-tags' option.
Rakefile: Updated and cleaned up.
lib/lingo/progress.rb (initialize): Restore signal handler without making assumptions about its type.
lib/lingo/call.rb (talk): Accept any readable type as input in addition to strings.
lib/lingo/app.rb (parse_options): Allow config argument when invoked as `rackup`.
Rakefile: Use test task from hen.
lib/lingo/attendee/tokenizer.rb: Record token position.

Related to #14.
lib/lingo/attendee/text_reader.rb: Don't remove line endings.

Let the Tokenizer handle all whitespace.
lib/lingo/attendee/text_reader.rb: Refactored filter processing.
lib/lingo/attendee.rb: Make #control and #process accept additional arguments.

Dropped AgendaItem along the way and extracted command responsibility from #forward.
lib/lingo/attendee/tokenizer.rb: Record byte offset.

Related to #14.
Rakefile (test_ref): Include `lib` directory and skip missing files.
lib/lingo/attendee/vector_filter.rb: Print position and byte offset with each word.

Closes #14.
lib/lingo/attendee.rb: Warn about invalid options.

Related to #1.
lib/lingo/attendee/vector_filter.rb: Support `Token`s in addition to `Word`s.
lib/lingo/attendee/{debugger,vector_filter}.rb: Moved debug filter.