Added functions.php

Added the functions.php file which will handle all theme related
functions. This is a control point for all individual files located in
the themes root in the functions folder.
Added themehookallaince hooks

Added the tha_html_before and tha_head_top and moved the tha_head_bottom
hook above the wp_head hook.
Added template skeleton

Added body tags, browser update div, wp_footer and themehookalliance
hooks to template.
Added empty lines

Added several empty lines on line 20, 22 and 36 for readability
purposes.
Added header.php

Added header.php which generated the header section for the template
which also container the primary navigation markup.