update it to 1.13.0 in readme
update it to 1.13.0 in readme

iambmelt/azure-activedirectory-library-for-android,AzureAD/azure-activedirectory-library-for-android,iambmelt/azure-activedirectory-library-for-android,AzureAD/azure-activedirectory-library-for-android