Generate quality overrides of hashCode for Thrift structs (in Java).

This feature is turned off by default because it adds a new dependency:
Apache Commons Lang.  This package seems enough like Boost that
I would be open to turning this feature on by default.

Also updated test/java/build.xml to use this new option.
ant test still passes.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665542 13f79535-47bb-0310-9956-ffa450edef68
2 files changed