added support for dependency widgets (i.e : a widget can now depend on another,
and the latter will be instantiated and available to the former).
<a onclick='__IriSP.MyApiPlayer.share(\'delicious\');' title='partager avec delicious'><span class='share shareDelicious'> </span></a>
<a onclick='__IriSP.MyApiPlayer.share(\'facebook\');' title='partager avec facebook'> <span class='share shareFacebook'> </span></a>
<a onclick='__IriSP.MyApiPlayer.share(\'twitter\');' title='partager avec twitter'> <span class='share shareTwitter'> </span></a>
<a onclick='__IriSP.MyApiPlayer.share(\'myspace\');' title='partager avec Myspace'> <span class='share shareMySpace'> </span></a>