adds manually given duration to mejs startup display
duration parameter can now be given in seconds _or_ timecode format
Add new duration/timecode possibiloty in readme documentation
Fix bug, where clicking the last chapter would highlight one chapter before.
chapter table footer only when chapter table exists
reads PowerPress style duration from enclosure and adds this duration to mejs player
Merge branch 'master' of github.com:gerritvanaaken/podlovejs