In building-the-code.txt, add some notes on setting up Ubuntu for building code.

git-svn-id: https://robotics.mvla.net/svn/frc971/2013/trunk/src@4255 f308d9b7-e957-4cde-b6ac-9a88185e7312
diff --git a/doc/building-the-code.txt b/doc/building-the-code.txt
index 2d68389..5d15e30 100644
--- a/doc/building-the-code.txt
+++ b/doc/building-the-code.txt
@@ -1,5 +1,8 @@
 This file contains instructions on how to set up a computer to build the code.
 
+[OS]
+Most of these instructions assume 64 bit Debian Squeeze.
+
 [Install Packages]
 First, you have to download and follow the directions in
   <http://robotics.mvla.net/files/frc971/packages/frc971.list>.
@@ -17,9 +20,14 @@
       libevent-extra-2.0-5 libevent-pthreads-2.0-5 libevent-openssl-2.0-5 \
       libevent-dev lib32event-extra-2.0-5 lib32event-pthreads-2.0-5 \
       lib32event-openssl-2.0-5 lib32event-dev" packages.
+
+(On 64-bit Ubuntu Precise Pangolin:
+`apt-get install subversion git g++-multilib gcc-multilib ruby patch \
+    make openjdk-6-jdk default-jdk libevent-dev:i386 libevent-2.0-5:i386`)
+
 Also run `apt-get install powerpc-wrs-vxworks` if you want to be able to build
   the cRIO code too.
-  NOTE: That is in *addition* to the above command.
+  NOTE: This is in *addition* to the above commands.
   You will have to accept the
     "WARNING: The following packages cannot be authenticated!" warning for the
     "powerpc-wrs-vxworks" package.