Upgrade framework, build tools and dependencies

.editorconfig

android/app/build.gradle

android/gradle.properties

assets/menu/demo.png

assets/menu/graph.png

icons/build_application_icons.sh

icons/menu_demo.svg

icons/menu_graph.svg

pubspec.lock

pubspec.yaml

resources/app/build_application_resources.sh

resources/app/featureGraphic.svg

resources/app/icon.svg

resources/build_resources.sh

upgrade.sh