Setup fixes and tweaks (#879)

* Fix transparency on some of the icons
* Rewrite the setup clean command
* Clean up setup script and remove no longer needed qthelp command
* Add bash scripts for common make build chains
* Update the description files and change how setup writes generated files
* Reduce the number of setup files added to minimal zip packages

setup/make_release.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+
+if [ ! -f setup.py ]; then
+    echo "Must be called from the root folder of the source"
+    exit 1
+fi
+
+echo ""
+echo " Building Minimal Packages"
+echo "================================================================================"
+echo ""
+python3 setup.py minimal-zip --target-win
+python3 setup.py minimal-zip --target-linux
+python3 setup.py minimal-zip --target-darwin
+
+echo ""
+echo " Building Linux Packages"
+echo "================================================================================"
+echo ""
+python3 setup.py build-deb