add golo syntax markers in asciidoc documents
Yannick Loiseau joins as a contributor

Signed-off-by: Julien Ponge <julien.ponge@insa-lyon.fr>
Merge pull request #137 from yloiseau/master

Golo syntax markers in asciidoc documents

Requires https://bitbucket.org/yloiseau/pygments-main/commits/9800174a39ca1e4c357423bc15b4bd0f52b97599 until Yannick's pull-request is merged
into Pygments (https://bitbucket.org/birkenfeld/pygments-main/pull-request/309/add-golo-lexer/diff).
mark unmarked blocks as [source,golo]
add source marker to listings with docstrings
Merge pull request #138 from yloiseau/master

Fix some code samples in the doc to be correctly highlighted
IR visitor API cleaning

All methods are now visitXYZ() instead of some methods being name
acceptXYZ().
Asciidoc callout fixes

Given a Golo-enabled Pygments, callouts need to be in comments to be
properly referenced.
json-simple integration
DynamicObject JSON helpers
JSON and structs
Improved stringify to support more and nested data
3rd-party mention of json-simple
Fix for missing recursive calls
Golodoc for gololang.JSON
Documentation for JSON
Merge pull request #142 from jponge/wip/json

json-simple integration