QPIDJMS-79: add initial config for Appveyor
QPIDJMS-79: add initial config for Appveyor

gemmellr/qpid-jms,tabish121/qpid-jms,avranju/qpid-jms,apache/qpid-jms,tabish121/qpid-jms,gemmellr/qpid-jms,avranju/qpid-jms,andrew-buckley/qpid-jms,andrew-buckley/qpid-jms,apache/qpid-jms