Add a root codereview.settings file.

Chromium has one of these as well:
http://src.chromium.org/viewvc/chrome/codereview.settings

It's needed for drover reverts to work properly.

TBR=kjellander

Review URL: https://webrtc-codereview.appspot.com/1319014

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3895 4adac7df-926f-26a2-2b94-8c16560cd09d

codereview.settings

@@ -2,10 +2,6 @@
 CODE_REVIEW_SERVER: webrtc-codereview.appspot.com
 CC_LIST: [email protected]
 VIEW_VC: http://code.google.com/p/webrtc/source/detail?r=
-#STATUS:
 TRY_ON_UPLOAD: False
 TRYSERVER_SVN_URL: svn://svn.chromium.org/chrome-try/try-webrtc
 TRYSERVER_ROOT: src
-#GITCL_PREUPLOAD:
-#GITCL_PREDCOMMIT:
-