- venues are independent of papers
- new venue_paper join table
- removed  paper_id field from venues
- removed old fixtures to be able to rake db:fixtures:load
- added migration file for adding author to author_paper table
- removed unnecessary changes to models
Merge branch 'master' into development

Conflicts:
	app/models/metric.rb
added order to the author form
Merge branch 'master' into development
- fix to create paper
- removed log for update order
fixed #20 by making each id / label pair unique (included experiment, task, finding ids)
Merge branch 'development' of https://github.com/VT-CHCI/VR_kbase into development
fixed similar bug to #20 but with experiments and tasks
trying to fix issues with order and venues
Merge branch 'development' of https://github.com/VT-CHCI/VR_kbase into development
trying more things to fix order
many to many venues relationship to reduce db bloat
Merge branch 'development' of https://github.com/VT-CHCI/VR_kbase into development

Conflicts:
	app/models/paper.rb
fixed bug where venue wasn't being generated from DOI