Fixed problem with Ubuntu packages only being correct for 64-bit systems.
(I also snuck in a little helpful output into microhttpd)

Change-Id: Ic67d311a3c7bc93d7338edd9b8c3f6870731c0c0

scripts/micro-httpd.py

diff --git a/scripts/micro-httpd.py b/scripts/micro-httpd.py
index cf0b402..13e35a7 100755
--- a/scripts/micro-httpd.py
+++ b/scripts/micro-httpd.py
@@ -18,4 +18,5 @@
 PORT = int(os.environ.get('HTTP_PORT', 8080))
 Handler = SimpleHTTPServer.SimpleHTTPRequestHandler
 httpd = SocketServer.TCPServer(("0.0.0.0", PORT), Handler)
+print "Serving on port %d" % PORT
 httpd.serve_forever()

src/source/initializing.md

diff --git a/src/source/initializing.md b/src/source/initializing.md
index 31f03a9..6626482 100644
--- a/src/source/initializing.md
+++ b/src/source/initializing.md
@@ -64,11 +64,18 @@
 
 ## Installing required packages ##
 
-To set up your development environment, install the following required packages:
+To set up your development environment, install the following required packages.
 
-    $ sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev libc6-dev 
+64-bit systems:
+
+    $ sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev libc6-dev
       lib32ncurses5-dev ia32-libs x11proto-core-dev libx11-dev lib32readline5-dev lib32z-dev libgl1-mesa-dev
 
+32-bit systems:
+
+    $ sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev libc6-dev
+      libncurses5-dev x11proto-core-dev libx11-dev libreadline5-dev libz-dev libgl1-mesa-dev
+
 For building Froyo or an older release on a 64-bit system, several other packages are necessary to establish a 32-bit build environment:
 
     $ sudo apt-get install gcc-multilib g++-multilib libc6-i386 libc6-dev-i386