TracksApp/tracks — pull request #207 by ajanauskas (2013-09-13 13:12:36+00:00)
Title: Refactor session expire method

Sitting at workshop 'refactoring rails application' :)

```ruby
unless session == nil
```

can always be refactored to

```ruby
if session.nil?
```

Also remove unnecessary
```ruby
if session
```
statement inside unless block. If sessions is not nil, the statement will always be true