configure.ac: Make it version 2.1.1-upfluence
configure.ac: Make it version 2.1.1-upfluence

upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift,upfluence/thrift