Have {{ entry.section }} return the section handle by default

> Created by: Katrin Kerber (katrinkerber@gmail.com) on 2015/06/09 17:44:40 +0000
> Votes at time of UserVoice import: 3

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Using {{ entry.section }} returns the section name. Using {{ entry.type }} returns the type handle. I think it would make sense if they both returned the handle by default.
