Warn on postgres-init-db if >200 messages exist.
Warn on postgres-init-db if >200 messages exist.

Closes #548.

zulip/zulip,rishig/zulip,ryanbackman/zulip,joyhchen/zulip,shubhamdhama/zulip,peguin40/zulip,sonali0901/zulip,cosmicAsymmetry/zulip,krtkmj/zulip,arpith/zulip,jrowan/zulip,KingxBanana/zulip,tommyip/zulip,souravbadami/zulip,jackrzhang/zulip,brainwane/zulip,SmartPeople/zulip,ahmadassaf/zulip,arpith/zulip,Jianchun1/zulip,zulip/zulip,j831/zulip,shubhamdhama/zulip,timabbott/zulip,mohsenSy/zulip,dattatreya303/zulip,Juanvulcano/zulip,PhilSk/zulip,showell/zulip,mahim97/zulip,susansls/zulip,ahmadassaf/zulip,blaze225/zulip,paxapy/zulip,niftynei/zulip,peguin40/zulip,brockwhittaker/zulip,TigorC/zulip,jackrzhang/zulip,Jianchun1/zulip,Diptanshu8/zulip,paxapy/zulip,amyliu345/zulip,timabbott/zulip,punchagan/zulip,jackrzhang/zulip,sup95/zulip,zacps/zulip,showell/zulip,KingxBanana/zulip,vaidap/zulip,j831/zulip,peguin40/zulip,jrowan/zulip,calvinleenyc/zulip,susansls/zulip,tommyip/zulip,andersk/zulip,cosmicAsymmetry/zulip,jphilipsen05/zulip,christi3k/zulip,calvinleenyc/zulip,rishig/zulip,rishig/zulip,vikas-parashar/zulip,tommyip/zulip,jphilipsen05/zulip,calvinleenyc/zulip,grave-w-grave/zulip,vaidap/zulip,AZtheAsian/zulip,umkay/zulip,Jianchun1/zulip,sonali0901/zulip,synicalsyntax/zulip,TigorC/zulip,shubhamdhama/zulip,eeshangarg/zulip,KingxBanana/zulip,dawran6/zulip,AZtheAsian/zulip,isht3/zulip,Galexrt/zulip,grave-w-grave/zulip,amanharitsh123/zulip,brainwane/zulip,jphilipsen05/zulip,mohsenSy/zulip,amyliu345/zulip,niftynei/zulip,vikas-parashar/zulip,sup95/zulip,j831/zulip,blaze225/zulip,krtkmj/zulip,sup95/zulip,brockwhittaker/zulip,brainwane/zulip,showell/zulip,sharmaeklavya2/zulip,susansls/zulip,dattatreya303/zulip,Diptanshu8/zulip,vabs22/zulip,punchagan/zulip,vaidap/zulip,rht/zulip,reyha/zulip,dawran6/zulip,jainayush975/zulip,JPJPJPOPOP/zulip,zulip/zulip,eeshangarg/zulip,ryanbackman/zulip,arpith/zulip,ahmadassaf/zulip,umkay/zulip,calvinleenyc/zulip,andersk/zulip,niftynei/zulip,synicalsyntax/zulip,tommyip/zulip,TigorC/zulip,hackerkid/zulip,verma-varsha/zulip,punchagan/zulip,Galexrt/zulip,Juanvulcano/zulip,timabbott/zulip,j831/zulip,rht/zulip,eeshangarg/zulip,showell/zulip,kou/zulip,isht3/zulip,arpith/zulip,paxapy/zulip,synicalsyntax/zulip,dhcrzf/zulip,umkay/zulip,Diptanshu8/zulip,rht/zulip,zulip/zulip,amyliu345/zulip,peguin40/zulip,zulip/zulip,jphilipsen05/zulip,synicalsyntax/zulip,andersk/zulip,niftynei/zulip,brainwane/zulip,dawran6/zulip,krtkmj/zulip,mohsenSy/zulip,krtkmj/zulip,sharmaeklavya2/zulip,j831/zulip,Jianchun1/zulip,showell/zulip,Jianchun1/zulip,jainayush975/zulip,blaze225/zulip,samatdav/zulip,ryanbackman/zulip,reyha/zulip,isht3/zulip,amanharitsh123/zulip,paxapy/zulip,kou/zulip,dattatreya303/zulip,jainayush975/zulip,punchagan/zulip,PhilSk/zulip,samatdav/zulip,Galexrt/zulip,rishig/zulip,krtkmj/zulip,vabs22/zulip,showell/zulip,brockwhittaker/zulip,brainwane/zulip,JPJPJPOPOP/zulip,umkay/zulip,shubhamdhama/zulip,hackerkid/zulip,shubhamdhama/zulip,vaidap/zulip,verma-varsha/zulip,jackrzhang/zulip,reyha/zulip,eeshangarg/zulip,hackerkid/zulip,eeshangarg/zulip,shubhamdhama/zulip,jainayush975/zulip,Jianchun1/zulip,dawran6/zulip,cosmicAsymmetry/zulip,calvinleenyc/zulip,amanharitsh123/zulip,verma-varsha/zulip,dawran6/zulip,verma-varsha/zulip,sharmaeklavya2/zulip,vaidap/zulip,zacps/zulip,showell/zulip,dattatreya303/zulip,reyha/zulip,hackerkid/zulip,jainayush975/zulip,TigorC/zulip,jackrzhang/zulip,JPJPJPOPOP/zulip,andersk/zulip,aakash-cr7/zulip,brockwhittaker/zulip,grave-w-grave/zulip,rht/zulip,cosmicAsymmetry/zulip,joyhchen/zulip,ryanbackman/zulip,souravbadami/zulip,Galexrt/zulip,Juanvulcano/zulip,vaidap/zulip,timabbott/zulip,mahim97/zulip,zacps/zulip,Galexrt/zulip,AZtheAsian/zulip,rht/zulip,SmartPeople/zulip,krtkmj/zulip,sonali0901/zulip,jphilipsen05/zulip,rht/zulip,cosmicAsymmetry/zulip,punchagan/zulip,Diptanshu8/zulip,rishig/zulip,verma-varsha/zulip,brainwane/zulip,joyhchen/zulip,SmartPeople/zulip,j831/zulip,vabs22/zulip,arpith/zulip,niftynei/zulip,mohsenSy/zulip,eeshangarg/zulip,andersk/zulip,kou/zulip,isht3/zulip,timabbott/zulip,grave-w-grave/zulip,dattatreya303/zulip,amyliu345/zulip,hackerkid/zulip,kou/zulip,hackerkid/zulip,ryanbackman/zulip,kou/zulip,isht3/zulip,souravbadami/zulip,sonali0901/zulip,vikas-parashar/zulip,tommyip/zulip,sup95/zulip,aakash-cr7/zulip,dhcrzf/zulip,synicalsyntax/zulip,Galexrt/zulip,Juanvulcano/zulip,amanharitsh123/zulip,PhilSk/zulip,AZtheAsian/zulip,mahim97/zulip,samatdav/zulip,christi3k/zulip,sonali0901/zulip,rishig/zulip,JPJPJPOPOP/zulip,eeshangarg/zulip,ahmadassaf/zulip,samatdav/zulip,souravbadami/zulip,umkay/zulip,dhcrzf/zulip,vikas-parashar/zulip,peguin40/zulip,souravbadami/zulip,mohsenSy/zulip,PhilSk/zulip,ahmadassaf/zulip,shubhamdhama/zulip,calvinleenyc/zulip,Diptanshu8/zulip,zacps/zulip,ahmadassaf/zulip,susansls/zulip,mahim97/zulip,Diptanshu8/zulip,kou/zulip,synicalsyntax/zulip,arpith/zulip,aakash-cr7/zulip,KingxBanana/zulip,joyhchen/zulip,reyha/zulip,hackerkid/zulip,brainwane/zulip,amyliu345/zulip,andersk/zulip,TigorC/zulip,mohsenSy/zulip,grave-w-grave/zulip,mahim97/zulip,sharmaeklavya2/zulip,PhilSk/zulip,tommyip/zulip,sup95/zulip,PhilSk/zulip,vikas-parashar/zulip,dhcrzf/zulip,zulip/zulip,ryanbackman/zulip,jainayush975/zulip,jackrzhang/zulip,jrowan/zulip,sonali0901/zulip,blaze225/zulip,cosmicAsymmetry/zulip,aakash-cr7/zulip,dattatreya303/zulip,blaze225/zulip,zacps/zulip,blaze225/zulip,punchagan/zulip,sharmaeklavya2/zulip,zulip/zulip,susansls/zulip,JPJPJPOPOP/zulip,verma-varsha/zulip,Juanvulcano/zulip,jrowan/zulip,vabs22/zulip,KingxBanana/zulip,aakash-cr7/zulip,umkay/zulip,dhcrzf/zulip,zacps/zulip,synicalsyntax/zulip,brockwhittaker/zulip,amanharitsh123/zulip,niftynei/zulip,umkay/zulip,souravbadami/zulip,isht3/zulip,aakash-cr7/zulip,grave-w-grave/zulip,SmartPeople/zulip,dawran6/zulip,susansls/zulip,joyhchen/zulip,mahim97/zulip,christi3k/zulip,rishig/zulip,dhcrzf/zulip,KingxBanana/zulip,christi3k/zulip,jackrzhang/zulip,vabs22/zulip,peguin40/zulip,timabbott/zulip,vikas-parashar/zulip,paxapy/zulip,samatdav/zulip,reyha/zulip,jrowan/zulip,timabbott/zulip,JPJPJPOPOP/zulip,jrowan/zulip,AZtheAsian/zulip,kou/zulip,christi3k/zulip,jphilipsen05/zulip,rht/zulip,krtkmj/zulip,SmartPeople/zulip,Galexrt/zulip,amanharitsh123/zulip,sharmaeklavya2/zulip,dhcrzf/zulip,SmartPeople/zulip,andersk/zulip,TigorC/zulip,joyhchen/zulip,ahmadassaf/zulip,tommyip/zulip,christi3k/zulip,vabs22/zulip,AZtheAsian/zulip,amyliu345/zulip,sup95/zulip,punchagan/zulip,samatdav/zulip,paxapy/zulip,Juanvulcano/zulip,brockwhittaker/zulip