Align label to the middle
fix #5891: save null instead of empty string for text fields
Split up control creation of TextWithLabelElement
Trim code
Add button to open URLs in external browser (#5062)
Empty text fields return empty string and not null
#4653 if a text field is empty, getText returns null instead of an empty string
Refactoring of selection elements. Additional minor refactoring. Fixed a bug with Translation Editor (#2752)
refactoring of package names for consistency