update code + add demo mode
update code + add demo mode

omridevk/mwEmbed,kaltura/mwEmbed,bordar/mwEmbed,panda-os/mwEmbed,alexmilk/mwEmbed,FlixMaster/mwEmbed,kaltura/mwEmbed,kaltura/mwEmbed,FlixMaster/mwEmbed,alexmilk/mwEmbed,slash851/mwEmbed,panda-os/mwEmbed,slash851/mwEmbed,slash851/mwEmbed,bordar/mwEmbed,panda-os/mwEmbed,tanyaLibatter/mwEmbed,tanyaLibatter/mwEmbed,alexmilk/mwEmbed,bordar/mwEmbed,omridevk/mwEmbed,kaltura/mwEmbed,tanyaLibatter/mwEmbed,bordar/mwEmbed,omridevk/mwEmbed,alexmilk/mwEmbed,panda-os/mwEmbed,slash851/mwEmbed,tanyaLibatter/mwEmbed,FlixMaster/mwEmbed,omridevk/mwEmbed,FlixMaster/mwEmbed