Introduce articles
Add article views
Add presenters for articles and date output
Add tests for presenters and articles
Apply review comments
add rspec-its gem
Add factory for articles, rewrite articles_controller spec

add article_presenter spec
remove Dashboard link from navigation
Fix offences introduced while adding articles,

related presenters and specs:
remove empty lines,
add spaces before and after brakets,
replace double-quotes and syntax
add #publication_info method to combine article info
Merge pull request #1 from NiyazSerazetdinov/introduce-articles

Introduce articles