FEC-1338 #comment updated "customize tab" for v2 ( JSON config )
FEC-1338 #comment updated "customize tab" for v2 ( JSON config )

* also updated embed code to use cdnapisec to avoid player.kaltura.com
production references from copy and paste embed code where not
applicable. 
matsuu/mwEmbed,DBezemer/mwEmbed,kaltura/mwEmbed,SVSG/mwEmbed,vladm3/mwEmbed,panda-os/mwEmbed,FlixMaster/mwEmbed,tanyaLibatter/mwEmbed,abaylis/mwEmbed,SVSG/mwEmbed,joanpuigsanz/mwEmbed,bordar/mwEmbed,kaltura/mwEmbed,tanyaLibatter/mwEmbed,joanpuigsanz/mwEmbed,bordar/mwEmbed,matsuu/mwEmbed,slash851/mwEmbed,omridevk/mwEmbed,kaltura/mwEmbed,FlixMaster/mwEmbed,joanpuigsanz/mwEmbed,alexmilk/mwEmbed,SVSG/mwEmbed,DBezemer/mwEmbed,slash851/mwEmbed,omridevk/mwEmbed,abaylis/mwEmbed,slash851/mwEmbed,omridevk/mwEmbed,vladm3/mwEmbed,safarijv/mwEmbed,alexmilk/mwEmbed,panda-os/mwEmbed,omridevk/mwEmbed,alexmilk/mwEmbed,panda-os/mwEmbed,bordar/mwEmbed,tanyaLibatter/mwEmbed,DBezemer/mwEmbed,tanyaLibatter/mwEmbed,abaylis/mwEmbed,slash851/mwEmbed,joanpuigsanz/mwEmbed,vladm3/mwEmbed,matsuu/mwEmbed,abaylis/mwEmbed,safarijv/mwEmbed,safarijv/mwEmbed,matsuu/mwEmbed,FlixMaster/mwEmbed,SVSG/mwEmbed,vladm3/mwEmbed,bordar/mwEmbed,kaltura/mwEmbed,FlixMaster/mwEmbed,safarijv/mwEmbed,DBezemer/mwEmbed,panda-os/mwEmbed,alexmilk/mwEmbed