Rust upgrade to rustc hash b03a2755193cd756583bcf5831cf4545d75ecb8a
Fix unit test compile error.
Fix CEF build cargo.lock file
Disable cors tests for now as they break the rust upgrade.
Rebase and fix up compile errors for rust upgrade.
Disable event-timeout for rustc upgrade. See #3396.
auto merge of #3948 : servo/servo/rustup-20141105_2, r=Manishearth
[gfx/style] Implement border-radius.

This patch is a first stab at implementing border-radius. It looks fine as long as
the border isn't an ellipse (that might not even parse yet), and the border-widths
around a border-radius are the same.

Here's a cool screenshot!

![](https://www.dropbox.com/s/gdtmgjrlnf82gzz/Screenshot%202014-11-12%2018.03.29.png?dl=0)

r? @pcwalton @SimonSapin