Update frontpage translations

(Haven't been working in Elisa for a while now)
PassReminder: Get rid of Main.java

Looking for a way to make it into runnable program other way instead.
Also not using deprecated methods.
PassReminder: Extract utility to new file
PassReminder: Refactor

Moving and refactoring contents inside method readReminder to
PassFileUtil
PassReminder: Initial GUI
PassReminder: Show selected Reminder
PassReminder: Refactor

Moved writeReminder method to PassFileUtil
PassReminder: Can create reminder in GUI
PassReminder: Validation for input