PPCConfiguration refactoring: [7/10]: allow to configure passes
...run during compilation by setting a collection of passes to run.
Got rid of PPCPluggableConfiguration and PPCConfiguration subclasses.
Removed a bunch of options used to suppress certain passes.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCAbstractActionNode subclass:#PPCActionNode
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCActionNode methodsFor:'visiting'!
accept: visitor
^ visitor visitActionNode: self
! !