add two DIR constant to settings, where all contentDBs and content copies will be stored in these two centralized location
add two DIR constant to settings, where all contentDBs and content copies will be stored in these two centralized location

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