remove trailing white-space and update readme

add emacs function to strip all trailing white spaces from files on
save (write-hook) and apply it on all files in the site.

Update readme file
Write python script for linting and minifying

Write deploy script that does html/css validation, js linting, css & js
combination into one file and minifying it.  Use Stuart Rackham
w3c-validator script for html/css validation which uses W3C online
validators. Use yuicompressor for js/css minification. Use JSLint for JS
linting and validation.