Lots of Ruby code generation improvements

Summary: Submitted by Kevin Clark, Ruby guru from Powerset

Reviewed By: mcslee

Test Plan: He updated the tests in trunk/test/rb/

Notes: The code is now officially "ruby-ish" and idiomatic


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665151 13f79535-47bb-0310-9956-ffa450edef68
13 files changed