Copy 201_rdf.t to 210_json.t

So we can duplicate the tests to increase test coverage
Searh and replace rdf variants with json.
Fix tests for json output.

Also remove some which dont matter.

Created issue #66 to add node image output.
Make the version test pass in travis.

It fails due to some module being more correct about generating JSON.
Test if JSON is valid if Test::JSON is installed.

Add Test::JSON as a recommend module.
We dont care about coverage on Build.pm.
Add Test::JSON to the travis before_install phase.

This is so all tests run on Travis.
Bump version of Wiki::Toolkit::Plugin::JSON

This version removes depcreation warnings for our usage of JSON.
Add Change for Wiki::Toolkit::Plugin::JSON version bump.
Test that we croak if not passed config objects.
Add tests for json recentchanges output.
Tests for output_as_json.
Merge pull request #67 from OpenGuides/json_tests

Add JSON tests