remove old zepto dep
use custom zepto package
package.json: alias clappr-zepto to zepto
player: add parentid option
Merge pull request #277 from alvynmcq/master

player: add parentid option
update CONTRIBUTORS list (+ @karinasirqueira, + @alvynmcq)
html5 video: play mp4/hls videos on WiiU browser (close #278)
update README with Wii U browser support
html5 video: add support for hls when in ps4 closes #267
readme: add ps4 :video_game:
README: update the way you should embed the player

PS: the old way still works