[Pharo-dev] [update 3.0] #30335

30335 ----- - issue 11415 More green tests for BehaviorTest and MetaclassTest https://pharo.fogbugz.com/default.asp?11415 - issue 11406 Cleaning categories: Object https://pharo.fogbugz.com/default.asp?11406 - issue 11251 Add coherent icons set for up/down/top/bottom actions https://pharo.fogbugz.com/default.asp?11251 Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/Polymorph-Widgets-StephaneDuca... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Nautilus-StephaneDucasse.512.d... http://smalltalkhub.com/mc/Pharo/Pharo30/main/KernelTests-StephaneDucasse.54... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Kernel-StephaneDucasse.1560.di...