Figure -> Figura in chapter2
New Italian translation of chapter 3, need revision now
New Italian translation of chapter 4, need revision now
Italian chapter 3 review by Claudio Chisari.
Italian chapter 4 review by Claudio Chisari.
Fix ebook creation for Italian and Dutch languages.
Merge with upstream, resolve merge issues
Add Italian support in makeebooks
Update ca/01-introduction/01-chapter1.markdown
Little fix Figure -> Figura
Little fix ' -> ` to resolve travis-ci.org build issue
Merge pull request #352 from jmanelsg/patch-1

Update ca/01-introduction/01-chapter1.markdown
Other little fix
From Fedora 16 rubygem-rdiscount is included in official repository
Merge pull request #151 from marionline/master

Italian translation