Merge branch 'build-test' into 'master'

Add libisoburn as dependency for xorriso

See merge request !145

README.md

@@ -43,6 +43,7 @@ You'll need the following dependencies:
 
 * vagrant (for vagrant images)
 * qemu
+* libisoburn
 
 ### How to build this
 The official builds are done in our Arch Linux GitLab CI.