Added License information 

mediaWiki components GPLv2
everything else GPLv3 or dual licensed GPL2 and AGPLv3
Added License info to README
Added COPYING file to modules used in mediawiki, updated readme
Omniture: fix for startup plugin, and fixed look and feel of test file

Conflicts:
	modules/Omniture/resources/mw.Omniture.js
support for EnableEmbedUiConfJs via uiVars
removed readme gpl mention, should be in COPYING
Merge branch 'master' of git@github.com:kaltura/mwEmbed.git
Merge branch 'master' into 1.7.2_17_2_2013

Conflicts:
	modules/Omniture/resources/mw.Omniture.js