html5_video: fix seeking and media control style on VoD HLS (fixes #362)
html5_video: fix seeking and media control style on VoD HLS (fixes #362)

Metrakit/clappr,leandromoreira/clappr,tjenkinson/clappr,Metrakit/clappr,flavioribeiro/clappr,tarkanlar/clappr,Peer5/clappr,jfairley/clappr,wxmfront/clappr,irongomme/clappr,irongomme/clappr,kelonye/clappr,Peer5/clappr,clappr/clappr,wxmfront/clappr,shakin/clappr,clappr/clappr,MariadeAnton/clappr,leandromoreira/clappr,tjenkinson/clappr,dayvson/clappr,flavioribeiro/clappr,dayvson/clappr,shakin/clappr,MariadeAnton/clappr,leandromoreira/clappr,jfairley/clappr,shakin/clappr,Pyrotoxin/clappr,tarkanlar/clappr,jfairley/clappr,flavioribeiro/clappr,dayvson/clappr,Pyrotoxin/clappr,clappr/clappr,kelonye/clappr,Metrakit/clappr,MariadeAnton/clappr,tarkanlar/clappr,kelonye/clappr,Peer5/clappr,burakkp/clappr,tjenkinson/clappr,irongomme/clappr,Pyrotoxin/clappr,burakkp/clappr,wxmfront/clappr,burakkp/clappr