0.4.0
release: Bump version to 0.4.0 (#46103)
Add servo version to mac about servo window.
servoshell: Rename executable to servoshell. (#42958)
Add xpcshell script and warning
Add Web Platform Tests root CA
Treat the `keygen` element as obsolete (#30429)
Remove UWP / Hololens support
tests/net: Update testing cert.
Update servo.icns icon
Update Servo logo files
New Servo logo(s)
Optimize assets, again (#41163)
Optimize PNG images in resources folder (#38229)
paint: Add support for a blinking text caret (#43128)
