[Pharo-project] [update 3.0] #30038

[Marcus Denker]

30038
-----

10278 Bug in semantic annotator
        https://pharo.fogbugz.com/f/cases/10278
        
10279 fix an undeclared in #condenseSources
        https://pharo.fogbugz.com/f/cases/10279
        
10258 DivideByZero in SystemProgressMorph
        https://pharo.fogbugz.com/f/cases/10258
        
10275 DNU on code completion
        https://pharo.fogbugz.com/f/cases/10275



Diff information:
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/System-Support-MarcusDenker.805
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/NECompletion-MarcusDenker.108
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/AST-Core-MarcusDenker.125
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/AST-Semantic-MarcusDenker.25