README: added "evolutions:apply" for DB evolutions
Fix mix-it/linkit#55 : hide osbolete info pages
Hashtag in FAQ page
Hide obsolete answers on FAQ page
Fix mix-it/linkit#13 : home i18ned
@fdepierre reworked home text and translation
Merge pull request #54 from clacote/readme-evolutions

README: added "evolutions:apply" for DB evolutions
Merge pull request #56 from clacote/fix/55

Hide obsolete infos : fixes #55
Merge pull request #58 from clacote/home-18n

Home 18n, with @fdepierre's translation and reworked texts.