[thrift] give the generated Erlang service file a _thrift

Summary: Before they were names Service.erl, but the Service module name should be reserved for more important things.  Namespaces what?

Test Plan: with channel server

Riders: also fixes whitespace, puts -erl in its right place


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665271 13f79535-47bb-0310-9956-ffa450edef68
2 files changed