replaces all occurences of parseInt() with ~~
first try of less DOM interaction
fixes typo
Merge pull request #93 from SimonWaldherr/master

tiny bug fixes, title, subtitle, summary and chapters added via js, old code removed
Merge github.com:gerritvanaaken/podlove-web-player
Merge branch 'master' into js-improvements
fixes chapters
Merge pull request #94 from Kambfhase/js-improvements

JS improvements