Uses Ruby html-proofer to check the links. This commit also fixes the
various problems it found, as well as dealing with some of its
non-problem complaints (it doesn't like anchor (a) tags without either
an href, name, or id).
Running HTML proofer takes about 12 minutes on my system (with up to two
threads), during which it prints no text. Travis CI times out after 10
minutes of nothing being written to stdout, so this commit also adds a
background process the Makefile to print a line every minute while make
runs.
All strings, urls and anchors are now in a single yml files for each language
Translated html pages are generated by a jekyll plugin based on unified templates
Add a new sitemap generator plugin for the new translation structure
Update french translations
Internal page urls are now all declared once in _config.yml for each language
Translators can translate file and anchor urls without needing to manually update all pages
jekyll now automatically generates sitemap
alternate hreflang is now correctly handled by sitemaps
language bar now gracefully associate with the translated equivalent of the page
update README with updated translation guidelines and instructions
implement multilanguage
new improved clients list page
update history and statistics in the "about" page
add "Some things you need to know" page
add "Support Bitcoin" page
add a contextual presentation for each category of users (individuals, organizations, developers and enthusiasts)
add a short and concise "how it works" page
add a "vocabulary" page for Bitcoin technical words definitions
give more visibility for the foundation
new website design and layout
