bump version to 2.1.rc6
bump version to 2.1.rc6

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