Enable the ability to build 1.9.x releases.
Enable the ability to build 1.9.x releases.

* tools/dist/release.py
  (tool_versions): Add 1.9 section, bump swig to 2.0.11 for trunk.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1545765 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion