fix
fix trim bug (in IE8) and jslint valided
make
version numbers update, screenshot update, readme (2.0.13) added, make
Merge branch '2.0.x' of https://github.com/podlove/podlove-web-player

Conflicts:
	podlove-web-player/header.txt
	podlove-web-player/podlove-web-player.js
	podlove-web-player/podlove-web-player.php
	podlove-web-player/readme.md
	podlove-web-player/readme.txt
	podlove-web-player/settings.php
	podlove-web-player/static/podlove-web-player.css
	podlove-web-player/static/podlove-web-player.js