don't touch the modified date in collection migrations
don't touch the modified date in collection migrations

mstriemer/addons-server,spasovski/zamboni,andymckay/addons-server,eviljeff/olympia,Joergen/zamboni,jpetto/olympia,jbalogh/zamboni,andymckay/olympia,ngokevin/zamboni,muffinresearch/olympia,jamesthechamp/zamboni,ingenioustechie/zamboni,eviljeff/olympia,muffinresearch/olympia,mozilla/addons-server,kumar303/olympia,muffinresearch/olympia,Joergen/olympia,Jobava/zamboni,koehlermichael/olympia,spasovski/zamboni,beni55/olympia,Revanth47/addons-server,elysium001/zamboni,johancz/olympia,mozilla/olympia,yfdyh000/olympia,Hitechverma/zamboni,yfdyh000/olympia,andymckay/addons-server,washort/zamboni,wagnerand/addons-server,Joergen/olympia,wagnerand/olympia,mstriemer/olympia,magopian/olympia,mozilla/addons-server,atiqueahmedziad/addons-server,clouserw/zamboni,luckylavish/zamboni,beni55/olympia,mstriemer/olympia,johancz/olympia,aviarypl/mozilla-l10n-addons-server,yfdyh000/olympia,kumar303/zamboni,mozilla/zamboni,bqbn/addons-server,Joergen/olympia,jbalogh/zamboni,diox/zamboni,mstriemer/zamboni,ayushagrawal288/zamboni,aviarypl/mozilla-l10n-addons-server,kumar303/olympia,mstriemer/addons-server,robhudson/zamboni,mozilla/addons-server,mrrrgn/olympia,ingenioustechie/zamboni,andymckay/zamboni,Witia1/olympia,harry-7/addons-server,andymckay/olympia,mdaif/olympia,elysium001/zamboni,diox/olympia,mdaif/olympia,jamesthechamp/zamboni,tsl143/zamboni,Joergen/zamboni,yfdyh000/olympia,Revanth47/addons-server,diox/olympia,mdaif/olympia,kumar303/addons-server,atiqueahmedziad/addons-server,harikishen/addons-server,crdoconnor/olympia,Jobava/zamboni,ingenioustechie/zamboni,jpetto/olympia,atiqueahmedziad/addons-server,magopian/olympia,ddurst/zamboni,lavish205/olympia,crdoconnor/olympia,koehlermichael/olympia,clouserw/zamboni,harry-7/addons-server,lavish205/olympia,Jobava/zamboni,mozilla/addons-server,tsl143/addons-server,kmaglione/olympia,crdoconnor/olympia,diox/olympia,atiqueahmedziad/addons-server,ngokevin/zamboni,kumar303/addons-server,mstriemer/olympia,mozilla/zamboni,mstriemer/zamboni,anaran/olympia,magopian/olympia,robhudson/zamboni,kmaglione/olympia,elysium001/zamboni,mudithkr/zamboni,Hitechverma/zamboni,mrrrgn/olympia,mudithkr/zamboni,washort/zamboni,mudithkr/zamboni,mozilla/zamboni,Witia1/olympia,harikishen/addons-server,diox/zamboni,muffinresearch/olympia,harikishen/addons-server,mozilla/olympia,Nolski/olympia,wagnerand/olympia,wagnerand/zamboni,Joergen/olympia,lavish205/olympia,harry-7/addons-server,beni55/olympia,muffinresearch/addons-server,mozilla/olympia,mstriemer/zamboni,Jobava/zamboni,johancz/olympia,wagnerand/olympia,Prashant-Surya/addons-server,mstriemer/addons-server,mstriemer/olympia,shahbaz17/zamboni,mrrrgn/olympia,tsl143/zamboni,jamesthechamp/zamboni,tsl143/addons-server,jbalogh/zamboni,koehlermichael/olympia,wagnerand/addons-server,jbalogh/zamboni,aviarypl/mozilla-l10n-addons-server,psiinon/addons-server,muffinresearch/addons-server,jasonthomas/zamboni,Witia1/olympia,koehlermichael/olympia,eviljeff/zamboni,muffinresearch/addons-server,harry-7/addons-server,robhudson/zamboni,washort/zamboni,anaran/olympia,andymckay/olympia,Joergen/olympia,andymckay/olympia,ddurst/zamboni,Revanth47/addons-server,shahbaz17/zamboni,eviljeff/olympia,ayushagrawal288/zamboni,eviljeff/zamboni,SuriyaaKudoIsc/olympia,Nolski/olympia,wagnerand/addons-server,ingenioustechie/zamboni,ngokevin/zamboni,magopian/olympia,luckylavish/zamboni,kmaglione/olympia,diox/zamboni,luckylavish/zamboni,crdoconnor/olympia,bqbn/addons-server,tsl143/addons-server,luckylavish/zamboni,spasovski/zamboni,jasonthomas/zamboni,harikishen/addons-server,johancz/olympia,SuriyaaKudoIsc/olympia,ddurst/zamboni,psiinon/addons-server,kmaglione/olympia,eviljeff/olympia,Joergen/zamboni,kumar303/zamboni,wagnerand/addons-server,tsl143/zamboni,anaran/olympia,washort/zamboni,Nolski/olympia,andymckay/zamboni,robhudson/zamboni,Witia1/olympia,muffinresearch/olympia,diox/zamboni,ayushagrawal288/zamboni,diox/olympia,clouserw/zamboni,bqbn/addons-server,elysium001/zamboni,Prashant-Surya/addons-server,kumar303/olympia,Hitechverma/zamboni,eviljeff/zamboni,SuriyaaKudoIsc/olympia,mudithkr/zamboni,Prashant-Surya/addons-server,SuriyaaKudoIsc/olympia,wagnerand/zamboni,kumar303/olympia,mrrrgn/olympia,mdaif/olympia,Nolski/olympia,johancz/olympia,lavish205/olympia,ddurst/zamboni,clouserw/zamboni,crdoconnor/olympia,andymckay/addons-server,tsl143/zamboni,mdaif/olympia,muffinresearch/addons-server,shahbaz17/zamboni,Hitechverma/zamboni,kumar303/addons-server,aviarypl/mozilla-l10n-addons-server,jpetto/olympia,anaran/olympia,koehlermichael/olympia,mozilla/olympia,jasonthomas/zamboni,kumar303/zamboni,tsl143/addons-server,andymckay/addons-server,muffinresearch/addons-server,wagnerand/zamboni,Joergen/zamboni,andymckay/zamboni,spasovski/zamboni,eviljeff/zamboni,shahbaz17/zamboni,beni55/olympia,Revanth47/addons-server,jpetto/olympia,kmaglione/olympia,Witia1/olympia,beni55/olympia,psiinon/addons-server,jamesthechamp/zamboni,mozilla/zamboni,Joergen/zamboni,wagnerand/zamboni,Prashant-Surya/addons-server,mrrrgn/olympia,magopian/olympia,jasonthomas/zamboni,kumar303/zamboni,ayushagrawal288/zamboni,wagnerand/olympia,mstriemer/addons-server,psiinon/addons-server,kumar303/addons-server,bqbn/addons-server,Nolski/olympia,Joergen/zamboni,mstriemer/zamboni,yfdyh000/olympia