dolang and tshirtman Fix licensing issues (#5786)
* Fix GPL address (#5772)

* Replace showcase icons with Open Iconic

- The icon set Open Iconic is licensed under MIT unlike the previous
  ones, which are CC-BY-NC
Latest commit 0c63c69 Jun 12, 2018

README.txt

Showcase
========

Demonstrate all the possibilities of Kivy toolkit.

Android
-------

You can copy/paste this directory into /sdcard/kivy/showcase in your
android device.