Skip perl5 files when running all examples
Skip perl5 files when running all examples

shlomif/perl6-examples,stmuk/perl6-examples,perl6/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,shlomif/perl6-examples,Quinny/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,perl6/perl6-examples,shlomif/perl6-examples,perl6/perl6-examples,stmuk/perl6-examples,Quinny/perl6-examples,perl6/perl6-examples,stmuk/perl6-examples,stmuk/perl6-examples,shlomif/perl6-examples