Gem bump

Fixes #44 with a friendly :smile:. Just needs to be published to rubygems.

## [Changelog](https://github.com/leereilly/swot/compare/v0.2.13...master):

* Added becs.ac.in (#30)
* Add file for BRG Fadingerstraße, Linz, Austria (#31)
* Refactor `#get_institution_name` to use `#get_domain` (#32)
* Bump Bundler
* `Swot::get_institution_name` reads UTF-8 files (#33)
* Documentation improvements (#34, #35)
* Added the University of South Wales (#36)
* Domain blacklist (#39)
* Create eurecom (#43)

/cc @afeld, @konklone