Rakudo Perl compiler details

Overview:

• http://svn.perl.org/parrot/trunk/languages/perl6/docs/compiler_overview.pod

Grammar:

• http://svn.perl.org/parrot/trunk/languages/perl6/src/parser/grammar.pg

Compiler:

• http://svn.perl.org/parrot/trunk/languages/perl6/src/parser/actions.pm