Added a log script that logs build output to a file in the package directory

log

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Wrapper to redirect build output of an individual <package>.SMBuild to a log file
+
+# Disable colours in the build summary. It looks nice in the terminal but not so good inside the actual build log.
+SM_COLOURS=0
+export SM_COLOURS
+
+while [ $# -gt 0 ]; do
+  exec "$1" 2>&1 | tee -a "$1".buildlog
+  break
+done