Update package.json dependencies to latest versions
Update package.json dependencies to latest versions

Update grunt-ember-handlebars because it needs it.
Update lineman for fun.

ofridagan/lineman-ember-starterkit,ofridagan/lineman-ember-starterkit,ballmw/contact_page_ember,perrupa/ember,scazz/learnvocab-frontend,linemanjs/lineman-ember-template,ofridagan/kickulator,ofridagan/sails-ember-client,st23am/lineman-ember-kit,ofridagan/kickulator,st23am/lineman-ember-kit