Load grid list in LaunchSLClient from .ini file at run-time.

Add script to build LaunchSLClient.app on OS X.

OpenSim/Tools/LaunchSLClient/make-OSX-app.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# This script will build LaunchSLClient.app from the .exe, .dll's, and
+# other necessary files.
+#
+# This should be run from the bin directory.
+
+APP_NAME="LaunchSLClient"
+
+# Note that proper form is to copy Frameworks to
+# *.app/Contents/Frameworks, but because @executable_path resolves to
+# [...]/Resources/bin, and the libraries reference
+# @executable_path/../Frameworks, we put frameworks in
+# Contents/Resources instead.
+FRAMEWORKS_PATH="${APP_NAME}.app/Contents/Resources/Frameworks"
+
+if [ ! -e ${APP_NAME}.exe ]; then
+    echo "Error: Could not find ${APP_NAME}.exe." >& 2
+    echo "Have you built it, and are you currently in the bin directory?" >& 2
+    exit 1
+fi
+
+CMDFLAGS="-m console -n ${APP_NAME} -a ${APP_NAME}.exe"
+
+REFERENCES="-r /Library/Frameworks/Mono.framework/Versions/Current/lib/ \
+    -r Nini.dll \
+    -r ${APP_NAME}.ini"
+
+if [ -f ${APP_NAME}.icns ]; then
+    CMDFLAGS="${CMDFLAGS} -i ${APP_NAME}.icns"
+else
+    echo "Warning: no icon file found.  Will use default application icon." >&2
+fi
+
+if [ -d ${APP_NAME}.app ]; then rm -rf ${APP_NAME}.app; fi
+macpack ${REFERENCES} ${CMDFLAGS}
+
+mkdir -p ${FRAMEWORKS_PATH}