This avoids the awkward capitalisation 'E.g.' but more importantly
triggers a build with the latest recipe update, which includes Windows
UWP build products.

Updates CONTRIBUTING.md with style guide links for the engine languages, as well as a note about auto-formatting.

This is really just in order to trigger a build. ci.chromium.org infra
had a short outage during our last build.

Content has moved to the wiki.

* Update contributing.md for xcode_backend refactor notes

This reflects that we no longer uses travis. Scripts are moved to ci folder.

This copies https://github.com/flutter/engine/pull/5810 in order to use the newest format.sh to pass Travis.

giving -C twice silently only builds one directory

* Breadcrumbs to the wiki

* Update README.md

* CONTRIBUTING.md: explain the need for building host with non-host

* address comments

* locally-built

* Remove mention of adb from instructions

This isn't a step we have our users do, so best that we don't do it either.

* Update CONTRIBUTING.md

The engine build bots and engine development team now rely solely on
Xcode 9 to build the engine. The iOS 11 SDK is required (though we build
with deployment target of iOS 8) for several features such as safe area
inset support.

As we anyway always recommend to set the target_os to android.
Also if you happen to not set the target_os to android it messes up the licenses script output.

...if the environment is already setup

* Enforce clang-format for c-like sources on Travis

* Edit CONTRIBUTING,md

* review feedback:

* ++

* ++

* ++

* Mention Goma for Googlers in CONTRIBUTING.md

* review comments

* Removed 'pub get' from the instructions

According to Hixie, 'pub get' is abstracted into flutter packages upgrade, and so there shouldn't be a need to run pub get directly.

* Removed pub get lines entirely.

* Document the need to sync the engine repo to avoid #8005

* Flit gclient sync and git pull

Fixes https://github.com/flutter/flutter/issues/7294

* Mention updating the buildroot git remotes

I always forget how to do this...

* Update CONTRIBUTING.md

unzip is missing from documentation and is required to run 
"gclient sync"  successfully. Unzip does not come installed by default
on every Linux installations.
Signed-off-by: NPhilippe Ombredanne <pombredanne@nexb.com>

At some point recently we started putting a JSON file in the out/ directory and this broke this suggested build script.
This patch makes the script more resilient to such files.