bug fix for javascript version of decodeMessage
bug fix for javascript version of decodeMessage

Fixes #92
See https://github.com/don/ndef-js/commit/c0c1e24923ce83819408c7bc78691ab8857776b7

don/phonegap-nfc,chariotsolutions/phonegap-nfc,chariotsolutions/phonegap-nfc,GleasonTech/phonegap-nfc,thepi0/phonegap-nfc,BristolPound/phonegap-nfc,cjschooley/phonegap-nfc,Telerik-Verified-Plugins/NFC,seeschloss/phonegap-nfc,Telerik-Verified-Plugins/NFC,BristolPound/phonegap-nfc,don/phonegap-nfc,don/phonegap-nfc,BristolPound/phonegap-nfc,GleasonTech/phonegap-nfc,cjschooley/phonegap-nfc,seeschloss/phonegap-nfc,jlkalberer/phonegap-nfc,jlkalberer/phonegap-nfc,chariotsolutions/phonegap-nfc,cjschooley/phonegap-nfc,thepi0/phonegap-nfc,thepi0/phonegap-nfc,seeschloss/phonegap-nfc,Telerik-Verified-Plugins/NFC,jlkalberer/phonegap-nfc,GleasonTech/phonegap-nfc