JTR & DB: test and add sources#show
Merge branch 'master' into jtr-db-pdfjs
JTR & DNJB: new spec_helper methods to create and sign in users for feature tests
JTR & DNJB: Added and tested sources library (sources#index)
Merge branch 'master' into jtr-db-pdfjs
JTR & DNJB: refactor spec/spec_helper.rb and remove unused method create_user
Merge pull request #16 from gopher-snakes-2013/jtr-db-pdfjs

Jtr db pdfjs
Merge branch 'master' into topics/create