add docs/usage to README

README

@@ -1,6 +1,27 @@
-Ben's notes:
+About
+-----
 
-Forked Carl's repo, and it sort of worked out of the box. Tweaked for: 
+This script will: 
+
+ 1. download the Ubuntu 12.04 alternate server, 64bit iso
+ 2. ... do some magic to turn it into a vagrant box file
+ 3. output package.box 
+
+Usage
+-----
+
+ > ./build.sh
+
+ This should do everything you need. If you don't have 
+ mkisofs, install macports, then: sudo port install cdrtools
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Ben's notes
+-----------
+
+Forked Carl's repo, and it sort of worked out of the box. Tweaked 
+office 12.04 release: 
 
  - Downloading 12.04 final release. (Today as of this writing)
  - Checking MD5 to make sure it is the right version
@@ -9,7 +30,10 @@ Forked Carl's repo, and it sort of worked out of the box. Tweaked for:
  - Added more output to see what is going on
  - Still designed to work on Mac OS X :)
     ... though it should work for Linux systems too (maybe w/ a bit of porting)
----------
+
+Carl's original README
+----------------------
+
 Decided I wanted to learn how to make a vagrant base box.
 
 Let's target Precise Pangolin since it should be releasing soon, I said.