batch image upload

<a href="https://github.com/PlasmaSheep"><img src="https://avatars.githubusercontent.com/u/146027?v=3" align="left" width="96" height="96" hspace="10"></img></a> **Issue by [PlasmaSheep](https://github.com/PlasmaSheep)**
_Thursday Aug 18, 2016 at 17:21 GMT_
_Originally opened as https://github.com/QuizApp-Group/quizApp/issues/193_

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