simpler retina detection fallback, close #2258
simpler retina detection fallback, close #2258

jmutua2015/Leaflet,iOffice/Leaflet,thalesfsp/Leaflet,jblarsen/Leaflet,akauppi/Leaflet,AndBicScadMedia/Leaflet,Fil/Leaflet,beni55/Leaflet,webmechanicx/Leaflet,jblarsen/Leaflet,AP-whitehat/Leaflet,jmutua2015/Leaflet,psicomante/Leaflet,devjoseluis/Leaflet,sambernet/Leaflet,w8r/Leaflet,sellonen/Leaflet,wpf500/Leaflet,DrillingInfo/Leaflet,tormi/Leaflet,nvoron23/Leaflet,iZucken/Leaflet,alex2wong/Leaflet,litnerdy/Leaflet,codeator/Leaflet,prashen/Leaflet,Andrey-Pavlov/Leaflet,twoubt/Leaflet,msokk/Leaflet,thalesfsp/Leaflet,yohanboniface/Leaflet,Trufi/Leaflet,litnerdy/Leaflet,msiadak/Leaflet,nycitt/Leaflet,scaddenp/Leaflet,dhootha/Leaflet,pakro/Leaflet,Ossehoht/Leaflet,Ubisense/Leaflet,kumy/Leaflet,twoubt/Leaflet,RLRR/Leaflet,Fil/Leaflet,RyanHickman/Leaflet,2gis/Leaflet,Trufi/Leaflet,akauppi/Leaflet,fillerwriter/Leaflet,billybonz1/Leaflet,Leaflet/Leaflet,grahamthompson/Leaflet,jasonoverland/Leaflet,eriksjaastad/Leaflet,mbrukman/Leaflet,beni55/Leaflet,billybonz1/Leaflet,prashen/Leaflet,huangsong/Leaflet,brah/Leaflet,frogcat/Leaflet,fab1an/Leaflet,geoloep/Leaflet,hyperknot/Leaflet,nathancahill/Leaflet,alex2wong/Leaflet,devjoseluis/Leaflet,DrillingInfo/Leaflet,waeltken/Leaflet,cmulders/Leaflet,eriksjaastad/Leaflet,RyanHickman/Leaflet,davidlukerice/Leaflet,sisou/Leaflet,tsantacruz/RotationalMarker,waeltken/Leaflet,northerneyes/Leaflet,taraszerebecki/Leaflet,CorainChicago/Leaflet,akrzyzanowskino/TeamSE,nikhildhamsaniya/Leaflet,taraszerebecki/Leaflet,waeltken/Leaflet,tomnod/Leaflet,grahamthompson/Leaflet,iZucken/Leaflet,billybonz1/Leaflet,davojta/Leaflet,Jakobud/Leaflet,brah/Leaflet,scaddenp/Leaflet,psicomante/Leaflet,webmechanicx/Leaflet,litnerdy/Leaflet,davidlukerice/Leaflet,MuellerMatthew/Leaflet,wancharle/Leaflet,fredericksilva/Leaflet,mstahv/Leaflet,pakro/Leaflet,msiadak/Leaflet,tormi/Leaflet,iZucken/Leaflet,CapeSepias/Leaflet,northerneyes/Leaflet,Leaflet/Leaflet,davidlukerice/Leaflet,Ubisense/Leaflet,fillerwriter/Leaflet,pzdz/Leaflet,w8r/Leaflet,mbrukman/Leaflet,iamjonbradley/Leaflet,tsantacruz/RotationalMarker,olafurr/Leaflet,tomnod/Leaflet,klaftertief/Leaflet,alex2wong/Leaflet,Srikanth4/Leaflet,msokk/Leaflet,bbecquet/Leaflet,davojta/Leaflet,fab1an/Leaflet,kjell/Leaflet,codeator/Leaflet,yohanboniface/Leaflet,mourner/Leaflet,mbrukman/Leaflet,grahamthompson/Leaflet,hyperknot/Leaflet,starsolaris/Leaflet,wpf500/Leaflet,tomnod/Leaflet,pzdz/Leaflet,cartant/Leaflet,brah/Leaflet,tsantacruz/RotationalMarker,sellonen/Leaflet,snkashis/Leaflet,davojta/Leaflet,caiiiycuk/Leaflet,iamjonbradley/Leaflet,tormi/Leaflet,andrewmartini/Leaflet,wrrnwng/Leaflet,Srikanth4/Leaflet,wrrnwng/Leaflet,elfalem/Leaflet,nikhildhamsaniya/Leaflet,twoubt/Leaflet,fillerwriter/Leaflet,wpf500/Leaflet,frogcat/Leaflet,psicomante/Leaflet,pakro/Leaflet,Srikanth4/Leaflet,Ossehoht/Leaflet,mstahv/Leaflet,2gis/Leaflet,tbassett44/Leaflet,lee101/Leaflet,yohanboniface/Leaflet,olafurr/Leaflet,elkingtonmcb/Leaflet,rlugojr/Leaflet,klaftertief/Leaflet,frogcat/Leaflet,RobertoMalatesta/Leaflet,nathancahill/Leaflet,wrrnwng/Leaflet,devjoseluis/Leaflet,webmechanicx/Leaflet,CorainChicago/Leaflet,tbassett44/Leaflet,codeator/Leaflet,javimolla/Leaflet,MuellerMatthew/Leaflet,geoloep/Leaflet,akrzyzanowskino/TeamSE,nycitt/Leaflet,elkingtonmcb/Leaflet,Ubisense/Leaflet,starsolaris/Leaflet,cmulders/Leaflet,thalesfsp/Leaflet,elkingtonmcb/Leaflet,wancharle/Leaflet,iamjonbradley/Leaflet,2gis/Leaflet,tbassett44/Leaflet,sambernet/Leaflet,caiiiycuk/Leaflet,fab1an/Leaflet,elfalem/Leaflet,taraszerebecki/Leaflet,jmutua2015/Leaflet,Jakobud/Leaflet,pzdz/Leaflet,juliensoret/Leaflet,mediasuitenz/Leaflet,RLRR/Leaflet,cartant/Leaflet,w8r/Leaflet,sisou/Leaflet,dhootha/Leaflet,rlugojr/Leaflet,iOffice/Leaflet,nathancahill/Leaflet,akauppi/Leaflet,akrzyzanowskino/TeamSE,andrewmartini/Leaflet,nikhildhamsaniya/Leaflet,mourner/Leaflet,bolshoibooze/Leaflet,andrewmartini/Leaflet,stefanocudini/Leaflet,RobertoMalatesta/Leaflet,mourner/Leaflet,dhootha/Leaflet,geoloep/Leaflet,mstahv/Leaflet,nvoron23/Leaflet,bolshoibooze/Leaflet,mediasuitenz/Leaflet,AP-whitehat/Leaflet,bbecquet/Leaflet,stefanocudini/Leaflet,RyanHickman/Leaflet,eriksjaastad/Leaflet,olafurr/Leaflet,Neorth/Leaflet,fredericksilva/Leaflet,Fil/Leaflet,CapeSepias/Leaflet,CapeSepias/Leaflet,Ossehoht/Leaflet,lee101/Leaflet,bbecquet/Leaflet,Andrey-Pavlov/Leaflet,RLRR/Leaflet,javimolla/Leaflet,jasonoverland/Leaflet,stefanocudini/Leaflet,jblarsen/Leaflet,beni55/Leaflet,AP-whitehat/Leaflet,sisou/Leaflet,CorainChicago/Leaflet,huangsong/Leaflet,rlugojr/Leaflet,javimolla/Leaflet,kumy/Leaflet,caiiiycuk/Leaflet,juliensoret/Leaflet,lee101/Leaflet,AndBicScadMedia/Leaflet,bolshoibooze/Leaflet,MuellerMatthew/Leaflet,iOffice/Leaflet,kumy/Leaflet,klaftertief/Leaflet,jasonoverland/Leaflet,sambernet/Leaflet,fredericksilva/Leaflet,kjell/Leaflet,cartant/Leaflet,mediasuitenz/Leaflet,Jakobud/Leaflet,hyperknot/Leaflet,huangsong/Leaflet,Andrey-Pavlov/Leaflet,Neorth/Leaflet,elfalem/Leaflet,Leaflet/Leaflet,snkashis/Leaflet,cmulders/Leaflet,AndBicScadMedia/Leaflet,starsolaris/Leaflet,snkashis/Leaflet,wancharle/Leaflet,nycitt/Leaflet,sellonen/Leaflet,prashen/Leaflet,Neorth/Leaflet,scaddenp/Leaflet,msiadak/Leaflet,RobertoMalatesta/Leaflet,msokk/Leaflet,Trufi/Leaflet