add callback to set postedAt when editing a post and setting its status to approved
add callback to set postedAt when editing a post and setting its status to approved

johndpark/Telescope,jonmc12/heypsycho,TodoTemplates/Telescope,johndpark/Telescope,bengott/Telescope,manriquef/Vulcan,tupeloTS/grittynashville,SachaG/bjjbot,hoihei/Telescope,TelescopeJS/Screenings,SachaG/Zensroom,StEight/Telescope,acidsound/Telescope,aichane/digigov,VulcanJS/Vulcan,SachaG/swpsub,TribeMedia/Telescope,dominictracey/Telescope,aykutyaman/Telescope,codebuddiesdotorg/cb-v2,TelescopeJS/Screenings,tupeloTS/telescopety,acidsound/Telescope,huaiyudavid/rentech,Air2air/Telescope,delgermurun/Telescope,JstnEdr/Telescope,julienlapointe/telescope-nova-social-news,automenta/sernyl,Daz2345/dhPulse,bshenk/projectIterate,SachaG/swpsub,hoihei/Telescope,tupeloTS/grittynashville,dominictracey/Telescope,SachaG/Zensroom,azukiapp/Telescope,codebuddiesdotorg/cb-v2,automenta/sernyl,Air2air/Telescope,azukiapp/Telescope,bshenk/projectIterate,nhlennox/gbjobs,HelloMeets/HelloMakers,manriquef/Vulcan,delgermurun/Telescope,basemm911/questionsociety,Discordius/Telescope,tupeloTS/grittynashville,capensisma/Asteroid,Daz2345/dhPulse,SachaG/swpsub,julienlapointe/telescope-nova-social-news,TodoTemplates/Telescope,Discordius/Telescope,nathanmelenbrink/theRecord,codebuddiesdotorg/cb-v2,ahmadassaf/Telescope,HelloMeets/HelloMakers,bshenk/projectIterate,Air2air/Telescope,jonmc12/heypsycho,aichane/digigov,Discordius/Lesswrong2,nhlennox/gbjobs,jonmc12/heypsycho,rtluu/immersive,Discordius/Telescope,ahmadassaf/Telescope,SachaG/bjjbot,bharatjilledumudi/india-shop,SachaG/Zensroom,capensisma/Asteroid,azukiapp/Telescope,nhlennox/gbjobs,Discordius/Lesswrong2,evilhei/itForum,delgermurun/Telescope,bharatjilledumudi/india-shop,tupeloTS/telescopety,dominictracey/Telescope,aykutyaman/Telescope,manriquef/Vulcan,metstrike/Telescope,nathanmelenbrink/theRecord,aichane/digigov,SachaG/Gamba,StEight/Telescope,metstrike/Telescope,bengott/Telescope,automenta/sernyl,Daz2345/dhPulse,SachaG/bjjbot,StEight/Telescope,TribeMedia/Telescope,huaiyudavid/rentech,TelescopeJS/Screenings,Discordius/Telescope,JstnEdr/Telescope,hoihei/Telescope,HelloMeets/HelloMakers,rtluu/immersive,julienlapointe/telescope-nova-social-news,TodoTemplates/Telescope,ahmadassaf/Telescope,tupeloTS/telescopety,bharatjilledumudi/india-shop,SachaG/Gamba,huaiyudavid/rentech,bengott/Telescope,acidsound/Telescope,basemm911/questionsociety,evilhei/itForum,Discordius/Lesswrong2,evilhei/itForum,nathanmelenbrink/theRecord,johndpark/Telescope,metstrike/Telescope,capensisma/Asteroid,rtluu/immersive,TribeMedia/Telescope,basemm911/questionsociety,Discordius/Lesswrong2,aykutyaman/Telescope,SachaG/Gamba,VulcanJS/Vulcan,JstnEdr/Telescope