Add a PDB string table writer.

A string table is found in the name stream and in the EC info header of the debug info stream of a PDB file.

This CL also creates the PDB writer project.

BUG=
R=chrisha@chromium.org, sebmarchand@chromium.org

Review URL: https://codereview.appspot.com/119350043

git-svn-id: http://sawbuck.googlecode.com/svn/trunk@2205 15e8cca8-e42c-11de-a347-f34a4f72eb7d
9 files changed