update README
update README

floatinghotpot/cordova-admob-pro,jmelvin/cordova-admob-pro,chancezeus/cordova-admob-pro,Fafois/cordova-admob-pro-android,manu3569/cordova-admob-pro,manu3569/cordova-admob-pro,amit2014/cordova-admob-pro,jmelvin/cordova-admob-pro,Hitman666/cordova-admob-pro,jmelvin/cordova-admob-pro,Hitman666/cordova-admob-pro,jqk6/cordova-admob-pro,floatinghotpot/cordova-admob-pro,kk3010579/cordova-admob-pro,Fafois/cordova-admob-pro-android,myiwan08/admob_pro_2016,amrelhady/cordova-admob-custom,akishore/cordova-admob-pro,manu3569/cordova-admob-pro,amit2014/cordova-admob-pro,ZERO72/cordova-admob-pro,jqk6/cordova-admob-pro,floatinghotpot/cordova-admob-pro,kk3010579/cordova-admob-pro,kk3010579/cordova-admob-pro,Hitman666/cordova-admob-pro,kk3010579/cordova-admob-pro,ZERO72/cordova-admob-pro,amit2014/cordova-admob-pro,jqk6/cordova-admob-pro,Fafois/cordova-admob-pro-android,myiwan08/admob_pro_2016,jarseneault/cordova-admob-pro,leothenerd/cordova-admob-pro,Hitman666/cordova-admob-pro,jqk6/cordova-admob-pro,jarseneault/cordova-admob-pro,amrelhady/cordova-admob-custom,Hitman666/cordova-admob-pro,jarseneault/cordova-admob-pro,amit2014/cordova-admob-pro,leothenerd/cordova-admob-pro,chancezeus/cordova-admob-pro,manu3569/cordova-admob-pro,floatinghotpot/cordova-admob-pro,myiwan08/admob_pro_2016,jmelvin/cordova-admob-pro,Fafois/cordova-admob-pro-android,akishore/cordova-admob-pro,jqk6/cordova-admob-pro,ZERO72/cordova-admob-pro,ZERO72/cordova-admob-pro,leothenerd/cordova-admob-pro,myiwan08/admob_pro_2016,ZERO72/cordova-admob-pro,yasinuslu/cordova-admob-pro,akishore/cordova-admob-pro,amrelhady/cordova-admob-custom,leothenerd/cordova-admob-pro,chancezeus/cordova-admob-pro,amit2014/cordova-admob-pro,akishore/cordova-admob-pro,myiwan08/admob_pro_2016,leothenerd/cordova-admob-pro,chancezeus/cordova-admob-pro,akishore/cordova-admob-pro,manu3569/cordova-admob-pro,chancezeus/cordova-admob-pro,amrelhady/cordova-admob-custom,amit2014/cordova-admob-pro,kk3010579/cordova-admob-pro,jarseneault/cordova-admob-pro