plugins.tv4play: Use the API via HTTP instead of HTTPS.
plugins.tv4play: Use the API via HTTP instead of HTTPS.

This is to work around the bad SSL implementation in Py2.

Resolves #785.

wlerin/streamlink,charmander/livestreamer,Masaz-/livestreamer,Saturn/livestreamer,chhe/streamlink,Feverqwe/livestreamer,javiercantero/streamlink,ethanhlc/streamlink,Masaz-/livestreamer,flijloku/livestreamer,hmit/livestreamer,gravyboat/streamlink,derrod/livestreamer,streamlink/streamlink,chhe/livestreamer,lyhiving/livestreamer,chhe/livestreamer,Klaudit/livestreamer,Saturn/livestreamer,charmander/livestreamer,wolftankk/livestreamer,intact/livestreamer,wlerin/streamlink,intact/livestreamer,Dobatymo/livestreamer,bastimeyer/streamlink,Klaudit/livestreamer,fishscene/streamlink,chrippa/livestreamer,okaywit/livestreamer,hmit/livestreamer,gtmanfred/livestreamer,melmorabity/streamlink,derrod/livestreamer,gravyboat/streamlink,javiercantero/streamlink,sbstp/streamlink,streamlink/streamlink,sbstp/streamlink,back-to/streamlink,wolftankk/livestreamer,caorong/livestreamer,programming086/livestreamer,ethanhlc/streamlink,blxd/livestreamer,chrippa/livestreamer,okaywit/livestreamer,lyhiving/livestreamer,gtmanfred/livestreamer,beardypig/streamlink,programming086/livestreamer,back-to/streamlink,bastimeyer/streamlink,Dobatymo/livestreamer,Feverqwe/livestreamer,flijloku/livestreamer,chhe/streamlink,blxd/livestreamer,melmorabity/streamlink,mmetak/streamlink,caorong/livestreamer,beardypig/streamlink,jtsymon/livestreamer,jtsymon/livestreamer,mmetak/streamlink,fishscene/streamlink