add 2 fields to ContentMetadata that is required by content curation 1. sort_order 2. license_owner
add 2 fields to ContentMetadata that is required by content curation
1. sort_order
2. license_owner

please run <kolibri manage makemigrations> and <kolibri manage migrate> after pull this new fields

MCGallaspy/kolibri,mrpau/kolibri,christianmemije/kolibri,aronasorman/kolibri,MingDai/kolibri,jayoshih/kolibri,benjaoming/kolibri,MingDai/kolibri,aronasorman/kolibri,lyw07/kolibri,whitzhu/kolibri,ralphiee22/kolibri,jayoshih/kolibri,lyw07/kolibri,jayoshih/kolibri,rtibbles/kolibri,DXCanas/kolibri,learningequality/kolibri,MCGallaspy/kolibri,whitzhu/kolibri,jayoshih/kolibri,ralphiee22/kolibri,learningequality/kolibri,jtamiace/kolibri,aronasorman/kolibri,MingDai/kolibri,jtamiace/kolibri,jamalex/kolibri,DXCanas/kolibri,mrpau/kolibri,benjaoming/kolibri,jonboiser/kolibri,MingDai/kolibri,66eli77/kolibri,indirectlylit/kolibri,christianmemije/kolibri,jonboiser/kolibri,benjaoming/kolibri,ralphiee22/kolibri,66eli77/kolibri,66eli77/kolibri,jtamiace/kolibri,learningequality/kolibri,indirectlylit/kolibri,jtamiace/kolibri,christianmemije/kolibri,rtibbles/kolibri,indirectlylit/kolibri,whitzhu/kolibri,christianmemije/kolibri,ralphiee22/kolibri,mrpau/kolibri,jonboiser/kolibri,jamalex/kolibri,jonboiser/kolibri,MCGallaspy/kolibri,benjaoming/kolibri,66eli77/kolibri,lyw07/kolibri,jamalex/kolibri,aronasorman/kolibri,jamalex/kolibri,DXCanas/kolibri,rtibbles/kolibri,mrpau/kolibri,learningequality/kolibri,lyw07/kolibri,indirectlylit/kolibri,whitzhu/kolibri,rtibbles/kolibri,DXCanas/kolibri