Returns the list of the visible tickets for the user

Examples

GET '/api/v2/tickets':
 [
   {
     "id": 1,
     "title": "first ticket",
     "tags": ["tag1","tag2"],
     "small_summary": "text",
     "content": "text",
     "status": "Planned",
     "user_id": 22,
     "created_at": "2014-05-20T14:41:41+02:00",
     "updated_at": "2014-05-20T14:41:41+02:00"
   },
   {
     "id": 2,
     "title": "second ticket",
     "tags": ["tag1","tag2"],
     "small_summary": "text",
     "content": "text",
     "status": "In Progress",
     "user_id": 24,
     "created_at": "2014-05-20T14:41:41+02:00",
     "updated_at": "2014-05-20T14:41:41+02:00"
   }
 ]