chore(package): update istanbul to version 0.4.3
chore(package): update istanbul to version 0.4.3

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yotamofek/sequelize,alitaheri/sequelize,jayprakash1/sequelize,inDream/sequelize,Americas/sequelize,p0vidl0/sequelize,peachworks/sequelize,majorleaguesoccer/sequelize,sequelize/sequelize,subjectix/sequelize,toddsby/sequelize,alekbarszczewski/sequelize,DavidMorton/sequelize,seshness/sequelize,gintsgints/sequelize,sequelize/sequelize,overlookmotel/sequelize,PhinCo/sequelize,StefanoDalpiaz/sequelize,tornillo/sequelize,jchbh-duplicate/sequelize,sorin/sequelize,paolord/sequelize,Wsiegenthaler/sequelize,Alexsey/sequelize,konnecteam/sequelize,mikeringrose/sequelize,Americas/sequelize,PsiXdev/sequelize,cbauerme/sequelize,yjwong/sequelize,gutobortolozzo/sequelize,overlookmotel/sequelize,felixfbecker/sequelize,grimurd/sequelize,inDream/sequelize,toddbluhm/sequelize,konnecteam/sequelize,abegines/sequelize,gorangajic/sequelize,sequelize/sequelize,nemisj/sequelize,jayprakash1/sequelize,sobotklp/sequelize,pola88/sequelize,yonjah/sequelize,Verdier/sequelize,darwinserrano/sequelize,topikachu/sequelize