Merge branch 'v2_18_0'

BudgetMasterServer/pom.xml

.../deadlocker8/budgetmaster/accounts/AccountController.java

.../de/deadlocker8/budgetmaster/accounts/AccountService.java

...r8/budgetmaster/accounts/AccountsFilterConfiguration.java

...a/de/deadlocker8/budgetmaster/charts/ChartController.java

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

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

...locker8/budgetmaster/transactions/TransactionService.java

.../budgetmaster/transactions/TransactionSpecifications.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

...etMasterServer/src/main/resources/static/css/accounts.css

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

...Server/src/main/resources/templates/accounts/accounts.ftl

...rver/src/main/resources/templates/accounts/newAccount.ftl

...r/src/main/resources/templates/categories/newCategory.ftl

...erServer/src/main/resources/templates/charts/newChart.ftl

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