Adding myself as contributor in committers.py (as requested by eseidel).
https://bugs.webkit.org/show_bug.cgi?id=107647

Patch by Tim 'mithro' Ansell <mithro@mithis.com> on 2013-01-23
Reviewed by Eric Seidel.

* Scripts/webkitpy/common/config/committers.py:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@140526 268f45cc-cd09-0410-ab3c-d52691b4dbfc