change name of relationships.items from hasRelated to hasRelationship
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Group/index.js
delete Group to conform to upstream
Merge remote-tracking branch 'upstream/master'
add model diagram to README
try again to get the stupid google drive png to appear
Merge pull request #7 from valnet/master

Added Lynn's vocab model diagram to README