… of footnote, closes #21
lib/review/idgxmlbuilder.rb: unify block coding styles and regexp coding styles. * bin/review-compile: accept multiple stylesheets. set default values for language and htmlext. use YAML file by passing --yaml=YAMLFILE option. * lib/review/htmlbuilder.rb: support htmlext and language parameter. support multiple stylesheets. * lib/epubmaker.rb: new EPUB support library. Not only ReVIEW can use this library. This library is experimental. * bin/review-epubmaker-ng: experimental alternative implementation for review-epubmaker using epubmaker.rb. This tools is under construction and may be changed widely. * doc/libepubmaker/sample.yaml: sample YAML file for epubmaker.rb library.