iframe for dailymotion
update plugin.info.txt
support also urls for slideshare and blip.tv

- Resolve video ids by using oembed api's of slideshare and blip.tv
- if twitchtv contains the chapter_id, add it to the syntax
- support parameter options:
   - startSlide (slideshare)
   - offsetTime (viddler)
   - ap (metacafe)
Merge pull request #29 from Klap-in/dailymotion

iframe instead of flash, some auto resolving of video urls