Thrift: Reorganize Cocoa library.

Summary:
External patch from Andrew McGeachie.
Just shuffle the Cocoa library files around.

Reviewed By: mcslee

Test Plan: In Andrew we trust.

Revert Plan: ok


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665309 13f79535-47bb-0310-9956-ffa450edef68
26 files changed