better migration for fixed rating sort (bug 787162)
better migration for fixed rating sort (bug 787162)

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