Add opengeode and model checker install scripts

install/50_opengeode.sh

+#!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd $DIR/../opengeode || exit 1
+pip install --user --upgrade . || exit 1

install/70_taste-model-checker.sh

+#!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd $DIR/../taste-model-checker || exit 1
+make install || exit 1
+make clean || exit 1