[wip] migrate site from jekyll to nanoc

still miss:
* pagination
* deploy via FTP
* travis CI
* checks
[wip] nanoc migration progress (@see #4)

RSS
sitemap
notes content fixes
resume fixes
prev/next links
remove author page
layout includes fixes
fix indentation of prompt results
bootstrap a first version of the new design fixes #5
clarify resume introduction
fix HTML/CSS invalidities
FTP deployment script with quality checks (@see #4)
fix <code> usage in markdown links