altered zvapp usage of configparser
altered zvapp usage of configparser

changed the method, according to https://github.com/zerovm/zerocloud/commit/a86a230b4a8739b4208d6eaffa363ceec252aa78

zerovm/zerovm-cli,zerovm/zerovm-cli,zerovm/zerovm-cli,zerovm/zerovm-cli,zerovm/zerovm-cli,zerovm/zerovm-cli