Use a closing </div>.
Use _e() instead of __().
Remove the 404.php file.  The theme will just use the loop-error.php template instead.
Adds the hybrid_base_get_content_template(). Use this to grab the content.php template and its variations.  This or a similar function is planned for Hybrid Core 1.6, so we're giving it a first run in this theme.
Remove the unneeded search.php template.
Inline doc updates.
Add hybrid_base_aside_infinity() to handle a permalink for aside posts.  This is a planned Hybrid Core 1.6 function.
Minor style.css adjustments.