Float removal

Remove float number declarations, from this:

```ruby
color = UIColor.colorWithRed(255/255.0f, green:204/255.0f, blue:0/255.0f, alpha:1.0f)
```
to this:

```ruby
color = UIColor.colorWithRed(255/255.0, green:204/255.0, blue:0/255.0, alpha:1.0)
```