Update rfc-asciidoc-rfc document to v3

[manuelfuenmayor]

Fixes #26

[manuelfuenmayor]

@ronaldtse I think this one is ready to merge.

[manuelfuenmayor]

Perhaps the reason some tests are failing is because there are fixed bugs that have not been included yet.

[ronaldtse]

@manuelfuenmayor there may be some misunderstanding with the included code snippets. The code snippets are meant to be rendered, the “tags” are used to filter out what is rendered.

[manuelfuenmayor]

@manuelfuenmayor there may be some misunderstanding with the included code snippets. The code snippets are meant to be rendered, the “tags” are used to filter out what is rendered.

@ronaldtse I thought that the include:: directives weren't meant to be rendered because many paths don't actually exist. Basically, the paths pointing to xml3 and xml2 folders.

For example,

<CODE BEGINS>
include::../examples/rfc-asciirfc-minimal/xml3/draft-asciirfc-minimal.xml[]
<CODE ENDS>

rfc-asciirfc-minimal/ is a submodule that does not contain a xml3/ folder.