Some code reformatting
Added audio tag
* Fixed audio resources
* Support for video resources
All resources appart from images, audio or video are displayed as links
Allow to pass resources title to HTMLOfENML function
Merge embed-medias into master
Updated README with support for all resources types
Fix a bug if no resource is given to HTMLOfENML
Fix encoding + testing example for audio file
Remove "embedAllResources" attr
Remove "embedAllResources" attr