Update phonegap-nfc.js

add 2 funtion for read mifare classic card 

readMifare: return all data separating sector by | and block by ;

readMifareSecBloc: return the data from an especific sector and block

example call

nfc.readMifare(leeMF,noleeMF);
nfc.readMifareSecBloc(1,2,leeMF,noleeMF);