[#82010566] deprecating bitmapbutton
[Delivers #84241638] Alignment values for x and y.
Merge pull request #95 from teem2/alignment

[Delivers #84241638] Alignment values for x and y.
Fix data example
Fix replication for classes with children

Ensure handlers that are bound late (after instantiation) have their
callbacks fired at least once. Only needed when binding handlers after
attributes have been set, which can happen if the class being
instantiated has children.
[Delivers #84413088]