added therubyracer to gemfile
Merge remote-tracking branch 'origin/master' into add_reference

get gemfile from head (with test gems)
added validations and unit test to Articles-model
Merge pull request #6 from eemihauk/add_reference

added validations and unit test to Articles-model
Added fields for article
migraatiot Articles-modelin korjaamiseen
refactorattu pois virheelliset Article-attribuutit
added and refactored cucumber tests
Merge pull request #7 from Sonopa/add_reference

Added fields for article
Merge pull request #8 from eemihauk/add_reference

Refactored Article-models attributes and cucumber tests
Changed tests to report results to coveralls
README.md: added coveralls badge
.travis.yml: make travis to run cucumber tests
Added some tests for articles_controller
Added a test for article's to_s method
Merge pull request #9 from nygrenh/tests

Tests
Publisher and address fields back
Merge pull request #10 from Sonopa/add_reference

Publisher and address fields back
Modified show and form
Merge pull request #11 from Sonopa/add_reference

Modified show and form