Add distribution script.

.gitignore

@@ -7,3 +7,4 @@
 project.xcworkspace/
 xcuserdata/
 Screenshots/
+Distributions/InstallESDtoDMG-*.*

Distributions/create_dmg.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+srcdir="$1"
+
+if [ -z "$srcdir" -o ! -d "$srcdir" ]; then
+    echo "Usage: $0 srcdir"
+    exit 1
+fi
+
+name=`basename "$srcdir"`
+
+echo "Cleaning"
+find "$srcdir" -name .DS_Store -print0 | xargs -0 rm -f
+
+echo "Adding documentation"
+markdown ../README.markdown | cat ../README.css - | tidy -q -i > "$srcdir/$name.html"
+
+echo "Creating image"
+dmg_fname="$srcdir.dmg"
+sudo -p "Password for %p@%h: " hdiutil create -srcfolder "$srcdir" -uid 0 -gid 0 -ov "$dmg_fname"
+sudo -p "Password for %p@%h: " chown ${UID} "$dmg_fname"

README.css

@@ -0,0 +1,11 @@
+<style type="text/css">
+
+body {
+    font-family: sans-serif;
+}
+
+li {
+    list-style: disc;
+}
+
+</style>