(moved) NERF dual magazine connector

THIS DESIGN HAS BEEN MOVED TO YOUMAGINE:
https://www.youmagine.com/designs/nerf-dual-magazine-connector

Resons:
http://marcuswolschon.blogspot.de/2014/01/leaving-thingiverse.html

I didn't like the original magazine connector, so I make one where the magazines are next to each other and the combined thing is not as long.