Merge branch 'v2_16_0'

BudgetMasterServer/pom.xml

.../deadlocker8/budgetmaster/controller/AboutController.java

.../de/deadlocker8/budgetmaster/services/HelpersService.java

...adlocker8/budgetmaster/settings/demo/DemoDataCreator.java

...terServer/src/main/resources/languages/base_de.properties

...terServer/src/main/resources/languages/base_en.properties

...terServer/src/main/resources/languages/news_de.properties

...terServer/src/main/resources/languages/news_en.properties

BudgetMasterServer/src/main/resources/static/css/style.css

...terServer/src/main/resources/static/js/libs/plotly.min.js

...src/main/resources/templates/globalAccountSelectModal.ftl

...terServer/src/main/resources/templates/helpers/header.ftl

...terServer/src/main/resources/templates/helpers/navbar.ftl

...erServer/src/main/resources/templates/helpers/scripts.ftl

...urces/templates/settings/containers/settingsContainer.ftl

...n/resources/templates/transactions/transactionsMacros.ftl

.../test/java/de/deadlocker8/budgetmaster/TestConstants.java

...er/integration/helpers/SeleniumTestExecutionListener.java

Dockerfile

README.md