Reset times in ogg on seek
Reset times in ogg on seek

mostly fixes https://github.com/brion/ogv.js/issues/285

chrislearn/ogv.js,paladox/ogv.js,xzf158/ogv.js,paladox/ogv.js,chrislearn/ogv.js,paladox/ogv.js,chrislearn/ogv.js,xzf158/ogv.js,paladox/ogv.js,chrislearn/ogv.js,paladox/ogv.js,chrislearn/ogv.js,xzf158/ogv.js,xzf158/ogv.js,xzf158/ogv.js