We run on more than two platforms these days.

The badge used to query the last build which may be a pull request (or an aborted run).

This reverts commit e075e719.

Updates our README.md to use consistent wording with that of the
framework.

Mostly though, this is intended to trigger a build that verifies that
we're correctly building Fuchsia build products on Linux and Mac LUCI
infrastructure.

See: https://chromium-review.googlesource.com/c/chromium/tools/build/+/1671747

Update from flutter.io to flutter.dev domain.

Content has moved to the wiki.

* Breadcrumbs to the wiki

* Update README.md

* Adds a docs directory with an architecture diagram from @chinmaygarde.
* Excludes the flutter/docs directory from license script.

* say what the engine is

closes https://github.com/flutter/flutter/issues/289

* Update README.md

Add a badge for the Travis build.

This patch makes the sky package match the structure we've adopted for the
other Dart packages we produce from this repo.

Also, stop pushing the SDK to sky_sdk now that this repo exists.