Added missing dates, made formatting consistent
Merge pull request #98 from neilbowers/master

Made Changes file conform to CPAN::Changes::Spec
fixed #99, Send X-JSON-Status header in response time by Amon2::Plugin::Web::JSON and Add status_code_field option
not create render_json_status_code_field method
status_code_field parameter default is undef
Merge pull request #100 from yappo/issue-99

fixed #99, Send X-JSON-Status header in response time by Amon2::Plugin::...
rename X-JSON-Status to X-API-status

It was considered at the time to provide an API at the same time the format of the other.
Merge pull request #101 from yappo/topic-x-json-status-rename-to-x-api-status

rename X-JSON-Status to X-API-status