Add debian-prepare.sh for installing prereqs

Works for Debian and Ubuntu, though not
all versions will have all packages.

debian-prepare.sh

@@ -0,0 +1,27 @@
+#!/bin/bash -e
+
+# Start by getting aptitude,
+# which has far better dependency handling than apt-get.
+apt-get install aptitude
+
+# Get several development tools and libraries.
+aptitude -PvVR install \
+    build-essential    \
+    libjpeg-dev        \
+    libpng-dev         \
+    libtiff-dev        \
+    liblapack-dev      \
+    libv4l-dev         \
+    mesa-common-dev    \
+    libgl1-mesa-dev    \
+    libglu1-mesa-dev   \
+    mesa-utils         \
+    freeglut3-dev      \
+    ffmpeg             \
+    libffms2-dev       \
+    libavcodec-dev     \
+    libavdevice-dev    \
+    libavfilter-dev    \
+    libavformat-dev    \
+    libdc1394-22-dev   \
+