Refactor code to resolve #2227 and #2188
Only use compatiblility code for correct fife

version.
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Currently translated at 65.9% (550 of 834 strings)
Remove accidently commited file.
Solve "None Resource" bug #2251

I am not sure whether it's necessary to check for the existance of children.
Merge pull request #2241 from pinkfloyda/tooltip_whitelist

Refactor code to resolve #2227 and #2188
refactoring – merge the two ifs

Before, there was one if clause for creating the button variable and another one for capturing the mouse click and assigning a "name". These two ifs have been merged, as the "if" and "else" match identical cases.
Some refactoring in the editor code to make it more understandable

Still a long way to go
capture Container instead of ImageButton

For this it was necessary to add:  event_name="mouseClicked"
Merge pull request #2252 from myrdd/patch-1

Fixes #2251
Whitespace
Update AUTHORS
Translated using Weblate (Czech)

Currently translated at 100.0% (27 of 27 strings)
Translated using Weblate (Catalan)

Currently translated at 73.9% (617 of 834 strings)
Translated using Weblate (Czech)

Currently translated at 100.0% (22 of 22 strings)
Translated using Weblate (Czech)

Currently translated at 100.0% (191 of 191 strings)