Change auto-roll to auto-push for automatic trunk pushes.
The current script is only performing automatic pushes to trunk. This prepares for adding an auto-roll script that actually rolls to Chromium.
This also removes the v8-status updates, which are no longer necessary due to not touching bleeding edge any more.
BUG=
R=jarin@chromium.org
Review URL: https://codereview.chromium.org/
196173018
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20205
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00