improved code documentation for kWidget
improved code documentation for kWidget

-- made embed calls more uniform in calling arguments 
-- also replaced some instances of kEmbedSettings with 'settings'

safarijv/mwEmbed,omridevk/mwEmbed,DBezemer/mwEmbed,abaylis/mwEmbed,abaylis/mwEmbed,bordar/mwEmbed,FlixMaster/mwEmbed,bordar/mwEmbed,matsuu/mwEmbed,FlixMaster/mwEmbed,panda-os/mwEmbed,matsuu/mwEmbed,matsuu/mwEmbed,slash851/mwEmbed,SVSG/mwEmbed,tanyaLibatter/mwEmbed,panda-os/mwEmbed,tanyaLibatter/mwEmbed,tanyaLibatter/mwEmbed,SVSG/mwEmbed,kaltura/mwEmbed,kaltura/mwEmbed,panda-os/mwEmbed,panda-os/mwEmbed,joanpuigsanz/mwEmbed,abaylis/mwEmbed,slash851/mwEmbed,joanpuigsanz/mwEmbed,abaylis/mwEmbed,vladm3/mwEmbed,slash851/mwEmbed,bordar/mwEmbed,vladm3/mwEmbed,joanpuigsanz/mwEmbed,vladm3/mwEmbed,FlixMaster/mwEmbed,alexmilk/mwEmbed,vladm3/mwEmbed,alexmilk/mwEmbed,safarijv/mwEmbed,joanpuigsanz/mwEmbed,safarijv/mwEmbed,DBezemer/mwEmbed,matsuu/mwEmbed,alexmilk/mwEmbed,tanyaLibatter/mwEmbed,bordar/mwEmbed,omridevk/mwEmbed,omridevk/mwEmbed,SVSG/mwEmbed,kaltura/mwEmbed,DBezemer/mwEmbed,DBezemer/mwEmbed,alexmilk/mwEmbed,FlixMaster/mwEmbed,safarijv/mwEmbed,slash851/mwEmbed,omridevk/mwEmbed,kaltura/mwEmbed,SVSG/mwEmbed