Docs: Fix navigation to whitePaper from other pages
fixed ad page, use kWidget.embed, include mode selector
Docs: Enhanced Bootstrap example to include "autoPlay" option
Handle plugins with missing 'plugin' attribute 

* was displaying an error in player: 20127512
Facebook inline playback wall embeds don't like non-secure og:video urls
FEC-667 LeadWithHTML5 & JSON config should only affect target player

* Added a multiple widgets example that includes PPT widget and json
config player.
Merge pull request #501 from kaltura/multipleWidgetTypes

Multiple widget types