[Pharo-dev] [update 3.0] #30397

30397 ----- 11602 No taskback icon for the debugger https://pharo.fogbugz.com/f/cases/11602 11589 Improve / Update GoferMetacelloLoad https://pharo.fogbugz.com/f/cases/11589 11584 Can not open Pharo if .changes has not write access https://pharo.fogbugz.com/f/cases/11584 Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Support-MarcusDenker.91... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Polymorph-TaskbarIcons-MarcusD... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Gofer-Core-MarcusDenker.206.di...