Pinned version

Signed-off-by: Martin Weise <martin.weise@tuwien.ac.at>

install.sh

 #!/bin/bash
 
 # preset
-APP_VERSION="1.9"
+APP_VERSION="1.9.0"
 MIN_CPU=8
 MIN_RAM=10
 SKIP_CHECKS=${SKIP_CHECKS:-0}