Added franceinter [Issue #2105]
franceinter [Issue #2105] 

Added franceinterIE import to reflect addition of FranceInter support. Issue #2105
Made modification as suggested on https://github.com/rg3/youtube-dl/pull/2151
Merge remote-tracking branch 'sahutd/master'
[flickr] Use unicode literals
[franceinter] Minor improvements (#2152)
Credit @sahutd for franceinter (#2152)