https://github.com/Bridouille/android-beacon-scanner
위 주소에서 오픈소스를 받아서 import project 를 했는데 Error:(11, 0) Could not get unknown property 'beacon_scanner_key_password' for SigningConfig_Decorated{name=release, storeFile=null, storePassword=null, keyAlias=BeaconScannerKey, keyPassword=null, storeType=null, v1SigningEnabled=true, v2SigningEnabled=true} of type com.android.build.gradle.internal.dsl.SigningConfig.
라고 뜨고 run를 누르면 edit configuration 창이 뜹니다.... 고수님들 한번만 도와주시요...