updated modernizr
French Language files added

French Language files added, created with PoEdit (po and mo files)
Merge pull request #77 from dantahoua/master

French Language files added
updated foundation to version 5.3.1
Merge branch 'master' of https://github.com/olefredrik/FoundationPress
Merge pull request #1 from olefredrik/master

Pull Latest from FoundationPress