build(altbeacon.jar): upgrades AltBeacon to v2.12.4
build(altbeacon.jar): upgrades AltBeacon to v2.12.4

petermetz/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon,petermetz/cordova-plugin-ibeacon