updating example pom to use latest iago & scrooge
updating iago version
Iago 0.6.14

Changes include

* documentation improvements
* scrooge-3 generated java thrift bindings (we should be able to build on Windows now)
* InfiniteRampPoissonProcess
* zipkin support
* Thrift Future fix (ThriftTransport should now return an actual Future instead of a dummy one)
* ssl support fixed
* start method in ParrotServer fixed