Add a Mac Lion Performance bot.
https://bugs.webkit.org/show_bug.cgi?id=77765
Reviewed by Adam Roben.
This will update the master configuration in the following ways:
Add a new performance slave (apple-xseve-11)
Add a new Factory to download a build and run perf tests.
* BuildSlaveSupport/build.webkit.org-config/config.json:
* BuildSlaveSupport/build.webkit.org-config/master.cfg:
(DownloadAndPerfTestFactory):
(DownloadAndPerfTestFactory.__init__):
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@106703
268f45cc-cd09-0410-ab3c-
d52691b4dbfc