Updated blip.tv plugin
Updated blip.tv plugin

Fixed flaws according to https://github.com/chrippa/livestreamer/pull/936

jtsymon/livestreamer,derrod/livestreamer,Masaz-/livestreamer,chrippa/livestreamer,chhe/livestreamer,blxd/livestreamer,hmit/livestreamer,programming086/livestreamer,lyhiving/livestreamer,Klaudit/livestreamer,Klaudit/livestreamer,charmander/livestreamer,intact/livestreamer,caorong/livestreamer,wolftankk/livestreamer,Feverqwe/livestreamer,Saturn/livestreamer,wolftankk/livestreamer,programming086/livestreamer,Dobatymo/livestreamer,caorong/livestreamer,intact/livestreamer,derrod/livestreamer,okaywit/livestreamer,Masaz-/livestreamer,chhe/livestreamer,jtsymon/livestreamer,hmit/livestreamer,Saturn/livestreamer,blxd/livestreamer,okaywit/livestreamer,flijloku/livestreamer,lyhiving/livestreamer,flijloku/livestreamer,Dobatymo/livestreamer,chrippa/livestreamer,Feverqwe/livestreamer,charmander/livestreamer