review-epubmaker: support 'toc' property in config.yml to insert TOC in spine
Gemfile.lock makes a dirty status
Raise errors if no latex tools are installed
implement list_header() and list_body() in markdownbuilder.rb
Merge pull request #358 from gfx/markdown/list

implement list_header() and list_body() in markdownbuilder.rb
Merge pull request #356 from gfx/no_gemfile_lock

Gemfile.lock makes a dirty status
Merge branch 'raise_if_no_latex_installed' of https://github.com/gfx/review into gfx-raise_if_no_latex_installed
fix #357; allow to use original system() and customized system()
fix @<hd> to show appendix correctly with respecting
appendix_format yaml parameter.
Merge branch 'master' of github.com:kmuto/review
fix index error in shallow column
simplified handling index, add more test
Merge pull request #361 from kmuto/fix-shallow-column

fix index error in shallow column
fix loading builder_init on review-ext.rb

ReVIEW::Compiler.new should be executed _after_ ReVIEW::Book::Base.load_default or ReVIEW::Book::Base.load
(cf. #362)
add a test for #362
redefine ReVIEW::Book::PageMetric#==; making it comparable
add ReVIEW::Book::Base.load_config(filename) to load config.yml by one method
add PageMetric::A5 and PageMetric::B5; Default PageMetric values are constants
Builder#bind should be called with chapter and location; some documents are failed with nil
add rquire; ReVIEW::Book::Index uses ReVIEW::I18n