WIP
Merge branch 'master' into jsautoduck

Conflicts:
	docs/api/index.html
	docs/api/output/dr.view.js
	docs/api/source/layout.html
Autogenerate guides.json and categories.json automatically.  Use '@class {Comma, List, Of, Categroies}' to indicate which catgeries a class should belong to.
Merge branch 'master' into jsautoduck
switch category
Merge pull request #56 from teem2/jsautoduck

Autogenerate categories.json and guides.json