* Make IntelliJ metadata files consistent with the current flutter create template

* Add missing IJ files from current flutter create template

* Remove run config from layers as it requires running with -t

* Remove workspace.xml files per review feedback

* Add example IntelliJ metadata (flutter-intellij#607).

Ensures example projects open cleanly out-of-the-box w/ the Flutter Plugin.

See: https://github.com/flutter/flutter-intellij/issues/607.

* Fixed IML files.