[Pharo-project] [update 3.0] #30066

30066 ----- 10401 Add Amber BlockClosure asynchronous methods into Pharo https://pharo.fogbugz.com/f/cases/10401 10418 cleanUp #methodHeaderFor: https://pharo.fogbugz.com/f/cases/10418 10419 Remove CompiledMethodWithNode (part 2) https://pharo.fogbugz.com/f/cases/10419 Diff information: http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Traits-MarcusDenker.475 http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Tools-MarcusDenker.1083 http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Kernel-MarcusDenker.1382 http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Compiler-MarcusDenker.400