30122 ----- 10603 add compilationContext to AST node MethodNode https://pharo.fogbugz.com/f/cases/10603 10602 AlainTreeModel still not properly updated while columns cahnged https://pharo.fogbugz.com/f/cases/10602 10601 SpecLayout commands refactoring https://pharo.fogbugz.com/f/cases/10601 Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/Spec-Widgets-MarcusDenker.154.... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Spec-Layout-MarcusDenker.44.di... http://smalltalkhub.com/mc/Pharo/Pharo30/main/AST-Core-MarcusDenker.146.diff