#5 Added new models

 - Issue model - Will represent an issue. Will have attribute Editor's
   note
 - Article - Will represent an article. Will have title, title link, description and
   links. It will belong to an issue.
 - Event - Will represent an event. Will have title, title link, description and
   links. It will belong to an issue.
 - Link - Will have anchor text and url. Belongs to article or event.
   Can be used when you want to display multiple links in the
   description other than title link.
Merge pull request #5 from vipulnsward/5-add-archives

Add Archives