JSON implementation for JRuby

A JSON implementation as a JRuby extension.

<dependency>
    <groupId>rubygems</groupId>
    <artifactId>json</artifactId>
    <version>1.8.0</version>
</dependency>

compile group: 'rubygems', name: 'json', version: '1.8.0'

compile 'rubygems:json:1.8.0'

libraryDependencies += "rubygems" % "json" % "1.8.0"

<dependency org="rubygems" name="json" rev="1.8.0"/>

@Grapes(
            @Grab(group='rubygems', module='json', version='1.8.0')
        )

[rubygems/json "1.8.0"]

'rubygems:json:jar:1.8.0'