Update header.php

A few bugfixes, as well as disabled the header widget in favor of the 'sexy' search bar that calls the google search.
Update search.php

Search now calls NMSU's google custom search if it's passed the right parameter in the url $_POST.
Update functions.php

Added a hook to get the search param to indicate we want a google search.
Update css/base.css

Updated some CSS to make search on the header look right.
Fixed #search-wrapper margin
Adding Header Option to theme

Default wordpress header support.
Adding Empty Settings Option

Has some place holder stuff that can be removed.
Added search options to option page.
Removed google custom search option
Header and horizontal nav tweaks
Moved search box
Fixed default image for header
Incorrect path to default image fixed.
Added breadcrumbs and header page template
Fixed the top margin for pages with no breadcrumbs ot headers
Fixed a few bugs

Header image now displays properly, and I prevented a few warning
notifacions that appeared in the footer for php debug.
Merge google-search with master
Fixed a problem with footer