Separate =code etc. from =comment in grammar
Mostly working Pod code block refactor
$*ALLOW_CODE –> $*ALLOW_INLINE_CODE

$*ALLOW_INLINE_CODE is more descriptive of what it's actually for
Save text verbatim when in a code block
Parse empty lines in a =begin code block
Accept empty code block + unshift recursive stucture

Prior, "=begin code\n=end code" would die. As well, it's more effecient
to start with the already made ast and unshift new elements constructing
the tail-recursive delimited_code_content
Remove unused sub in Perl6/Pod.nqp
Make sure $/ is generated before calling Pod rules that need it

Fixes issues with extended configure lines and ending delimiters when
these things are indented
Fix delimited_code for multiple lines + simplify
Update Pod::To:Text to handle formatted code blocks
Make =code follow spec better
Add code for "=for code" too
Make sure =code and =for code take newlines and spaces
Merge branch 'nom' into pod-code-allow
Missed paragraph_raw -> paragraph_comment