Update CMakelists

Additional install targets for maps, and reworked dependencies

scripts/gen_maps.sh

@@ -0,0 +1,13 @@
+#! /bin/bash
+# Use to generate the ttrts maps
+
+ttrtsgen=$1
+
+test ! -e maps && mkdir maps # Make maps directory if needed
+if [ ! -e maps ]; then
+    exit 1
+fi
+
+cd maps
+
+$ttrtsgen