Merge pull request #1 from shlomif/master

Get rid of the UTF-8 BOM
Merge pull request #3 from shlomif/master

Correct a typo that caused a failed validation.
Replaced regular expressions with BeautifulSoup.
Gets the ebookmaker script directory in a smarter way.
Renamed ebookmaker so it may be imported as a module.

I've added a symbolic link to keep things as they were.
Restored line that I forgot why was commented.
Removed some clutter from the generator code.

Since I'm really working only with ePub files here, I've made the code
focused on the latter.

I've also fixed the --output option to actually work.
Added a recipe to assembly an ebook of a Portuguese translation of the Iliad.

The content was made available in a blog, but in the format of posts
instead of as a nice ebook.
README is now written with markdown.
Added the field "toc.generate.replaceLineBreakWith" to the json format.

"replaceLineBreakWith" allow to substitute "<br>" in titles with custom
characters, such as ":" or "&mdash".

Also removed static decorators of a couple of methods.