Change defaults for the production palette's ready sign

Default is now to blink alternating between white and gold.
Merge pull request #5899 from obrakmann/blinky-blinky

Change the colour of the blinking READY to gold
Update .travis.yml

remove failing auto-wiki-update
Merge branch 'bleed' of https://github.com/OpenRA/OpenRA into mod-with-new-assets