#516 - create modal for new type selection

...ker8/budgetmaster/transactions/TransactionController.java

...eadlocker8/budgetmaster/transactions/TransactionType.java

src/main/resources/languages/_de.properties

src/main/resources/languages/_en.properties

src/main/resources/static/js/templates.js

src/main/resources/static/js/transactionActions.js

...main/resources/templates/transactions/changeTypeModal.ftl

...resources/templates/transactions/newTransactionMacros.ftl

...resources/templates/transactions/newTransactionNormal.ftl

...ources/templates/transactions/newTransactionRepeating.ftl

...sources/templates/transactions/newTransactionTransfer.ftl