add cgi/bookchapters.py
update html/step2.html
update html/step3.html
update index.html
add html/tpls/affiliations.html
add html/tpls/bookBackMatter.html
update html/tpls/bookChapter.html
update html/tpls/bookMeta.html
update html/tpls/bookPart.html
add html/tpls/chapterBackMatter.html
add html/tpls/contributors.html
update html/tpls/modal.template.html
add html/tpls/permission.html
add html/tpls/titles.html
update bower.json (add underscore, ui-sortable)
update .gitignore
update data/bookSample.xml
update js/controllers.js
update js/directives.js
add js/factories.js