update ember data and emberfire
Merge pull request #21 from GertjanReynaert/gr-update-firebase

update ember data and emberfire
added gemnasium
update ember cli to v0.1.2
Merge pull request #22 from GertjanReynaert/gr-ember-cli-update-0.1.2

update ember cli to v0.1.2
Added travis ci label
create empty stock records on article creation
trying to fix get stock