Allow arbitrary queue launch parameters in EWSTools/start-queue.sh
https://bugs.webkit.org/show_bug.cgi?id=106636

Patch by Alan Cutter <alancutter@chromium.org> on 2013-01-11
Reviewed by Adam Barth.

This parameter will allow the bot boot script to use start-queue.sh and provide an IRC password for sheriffbot.

* EWSTools/GoogleComputeEngine/build-chromium-ews.sh:
* EWSTools/GoogleComputeEngine/build-commit-queue.sh:
* EWSTools/screen-config:
* EWSTools/start-queue.sh:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139420 268f45cc-cd09-0410-ab3c-d52691b4dbfc