Add AppVeyor CI config file (#608)
Add AppVeyor CI config file (#608)

* Add Appveyor CI config file
* mvn test -> verify + Maven 3.5

jmxtrans/jmxtrans,jmxtrans/jmxtrans,jmxtrans/jmxtrans,magullo/jmxtrans,kevinconaway/jmxtrans,jmxtrans/jmxtrans,jmxtrans/jmxtrans,magullo/jmxtrans,kevinconaway/jmxtrans,magullo/jmxtrans,kevinconaway/jmxtrans,magullo/jmxtrans,kevinconaway/jmxtrans