Add specs for API /api/yohoushi/graphs
Add routes to /api/yohoushi/graphs(/:path)
Implement Api::Yohoushi::GraphsController
autodoc
Fix request spec to fit to the autodoc's specification
Suppress some HTTP headers to not be printed in the document
API document
PUT data as json
Shorter module declaration
Merge pull request #52 from yohoushi/api-yohoushi-graph

New API name space /api/yohoushi for retrieving graph meta data