updated description in fr.html
links to speakers websites (projects)
i18n of head elements
i18n navigation
i18n header
i18n ABOUT section
i18n TOPICS section
i18n changed relateive img paths to absolute
i18n PARTNERS section text
i18n TEAM section
i18n LOCATION text
i18n CONTRIBUTE section
i18n REGISTER text
fix i18n Speakers title
header.html.eco -> header.html to remove warnings
i18n updated FR translations :)
Merge pull request #5 from elf-pavlik/i18n

i18n