fix pushstate handling (bug 566927)
fix pushstate handling (bug 566927)

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