Improve App Engine deployment (#3681)

Make the gcloudignore directives more specific by using a leading /.
Update instructions.
Remove guidance on creating compressed-only deploy

appengine/.gcloudignore

@@ -1,23 +1,24 @@
 # Do not upload these files.
 .*
-deploy
 *.soy
-static/appengine/
-static/closure/
-static/demos/plane/soy/*.jar
-static/demos/plane/xlf/
-static/externs/
-static/i18n/
-static/msg/json/
-static/node_modules/
-static/package/
-static/theme_scripts/
-static/typings/
+*.komodoproject
+/deploy
+/static/appengine/
+/static/closure/
+/static/demos/plane/soy/*.jar
+/static/demos/plane/xlf/
+/static/externs/
+/static/i18n/
+/static/msg/json/
+/static/node_modules/
+/static/package/
+/static/theme_scripts/
+/static/typings/
 
-static/build.py
-static/gulpfile.js
-static/jsconfig.json
-static/LICENSE
-static/package-lock.json
-static/package.json
-static/README.md
+/static/build.py
+/static/gulpfile.js
+/static/jsconfig.json
+/static/LICENSE
+/static/package-lock.json
+/static/package.json
+/static/README.md

appengine/README.txt

@@ -11,12 +11,13 @@ structure:
 
 blockly/
  |- app.yaml
+ |- deploy
  |- index.yaml
- |- index_redirect.py
+ |- main.py
  |- README.txt
+ |- requirements.txt
  |- storage.js
  |- storage.py
- |- closure-library/  (Optional)
  `- static/
      |- blocks/
      |- core/
@@ -26,7 +27,7 @@ blockly/
      |- msg/
      |- tests/
      |- blockly_compressed.js
-     |- blockly_uncompressed.js  (Optional)
+     |- blockly_uncompressed.js
      |- blocks_compressed.js
      |- dart_compressed.js
      |- javascript_compressed.js
@@ -34,11 +35,8 @@ blockly/
      |- php_compressed.js
      `- python_compressed.js
 
-Instructions for fetching the optional Closure library may be found here:
-  https://developers.google.com/blockly/guides/modify/web/closure
-
 Go to https://appengine.google.com/ and create your App Engine application.
-Modify the 'application' name of app.yaml to your App Engine application name.
+Modify the 'PROJECT' name in the 'deploy' file to your App Engine application name.
 
 Finally, upload this directory structure to your App Engine account,
-wait a minute, then go to http://YOURAPPNAME.appspot.com/
+then go to http://YOURAPPNAME.appspot.com/