Add a entry for externals to eng.json
Merge pull request #82 from theasta/i18n-externals

Add a translation for externals
Get tutorials' children recursively, use name instead of title to retrieve the url
Create a separate function to get the children of a tutorial
Merge branch 'tutorials-children-recursive' of https://github.com/theasta/jsdoc-baseline into tutorials-children-recursive

Conflicts:
	lib/publishjob.js