updated to v6 libs

kicad-footprints/Display.pretty/library-check.sh

@@ -0,0 +1,11 @@
+SCRIPT="/home/travis/build/kicad-library-utils/pcb/check_kicad_mod.py"
+
+error=0
+
+for change in $(git diff --name-only --diff-filter=AM $TRAVIS_COMMIT_RANGE); do
+    echo $change
+    python3 "$SCRIPT" "$change" -vv
+    error="$(($error+$?))"
+done
+
+exit $error