[Pharo-project] Issue 3306 in pharo: [Kernel Dependencies] ClassBuiler Extension

[pharo]

Status: Accepted
Owner: Benjamin.VanRyseghem.Pharo

New issue 3306 by Benjamin.VanRyseghem.Pharo: [Kernel Dependencies]  
ClassBuiler Extension
http://code.google.com/p/pharo/issues/detail?id=3306
Create UIManager extension for:

informUserDuring:
checkCLassHierarchyConsistency
cleanUpAndCheckClassHierarchy
cleanUpClassHierarchy