add a host for cde
fix whitespace
fix spelling
fix whitespace
Remove references to deprecated Spark UI switching
Merge pull request #3425 from emilycodes/remove-ui-switching

Remove references to deprecated Spark UI switching
Merge pull request #3424 from keertip/host

add a native messaging host for cde
some tweaks to the paper package
Merge pull request #3447 from devoncarew/devoncarew_more_paper

some tweaks to the paper package
Fix launch app issue on windows.
Merge pull request #3449 from dart-lang/fix_run_on_windows

Fix launch app issue on windows.
Release notes for M16
Release notes for M16 #2
fix an analysis issue in we/spark.dart
Merge pull request #3453 from devoncarew/devoncarew_fix_analysis2

fix an analysis issue in we/spark.dart
fix an exception when changing tabs
Merge pull request #3454 from devoncarew/devoncarew_fix_ex

fix an exception when changing tabs
fix a bug saving state for un-realized tabs
Merge pull request #3455 from devoncarew/devoncarew_fix_tab_bug

fix a bug saving state for un-realized tabs
Add widgets/.gitignore and add .pub/ to it