Add default web files containing WordPress 3.7.1

Does not include current child theme, plugins, or mu-plugins.

Plugins will be included separately as part of provisioning for development and production.

Mu-plugins and the child theme will be committed next
Ignore WordPress uploads
Add the child theme currently in use on WSU News
Hide the welcome panel and dashboard widgets

Reduces clutter on the WordPress dashboard by default.
Only display top stories on the home page
Add some more capabilities to the editor role for adding users
Handle redirects for some old URL structures that existed before WordPress was in use
Add the files required for use with the WSUWP Single Environment project