Missed these changes in recent pull request.

* I apparently forgot to "Ctrl-S" in the editor before running git commit.
Fix some style issues in wamfs.*
Clean up external config files + enabled dark editor themes

Also checked in app.json, as it's no longer overridden by the build process.
Add more themes; enable extended dark themes
Merge pull request #3225 from ussuri/enable-all-dark-themes

Add & enable by default more dark themes + add more hidden light themes
Merge pull request #3233 from ussuri/fix-templates

Fix & enable "JS Chrome app (using Polymer)" + fix other templates
Merge pull request #3217 from ussuri/minor-cleanups

Fix style issues + some refactoring in wamfs.*
More informative progress indicator for CspFixer
More informative progress indicator for CspFixer
Revert "More informative progress indicator for CspFixer"

This reverts commit 855bd558765803c12f24ec088025978b951430f0.
Better method name
Merge pull request #3237 from ussuri/better-progress-indicator-for-csp-fixer

Better progress indicator for CspFixer
Toggle spark-menu-button only if focus went outside of the menu.
Merge pull request #3239 from dart-lang/fix-blur-hover

Toggle spark-menu-button only if focus went outside of the menu.
Merge pull request #3200 from rpaquay/json-validator-missed-files

Missed these changes in pull request #3191.
the timeout period for the deployment is now more flexible and for each request the timeout for the answer depends on the request
fixed the pushRequestToDevice method
changed the timeout type to Duration
Merge pull request #3245 from albualexandru/deployment-timeout

deployment timeout fix
Fix: useAceThemes() didn't include expanded themes