Add "run-build" shell script to simplify working with uninstalled builds.

diff --git a/src/run-build b/src/run-build
new file mode 100755 (executable)
index 0000000..f477d4e
--- /dev/null
+++ b/src/run-build
@@ -0,0 +1,5 @@
+#!/bin/bash
+set -e
+HERE=$(dirname "${0}")
+export MITSCHEME_LIBRARY_PATH=${HERE}/lib
+"${HERE}"/microcode/scheme "${@}"