remove duplicate classes from core_renderer
delete coursecat_coursebox method

watch for regressions in $summary
delete coursecat_coursebox_content() method

watch for regressions in $summary and $isimage
put back user_menu() method

oops...
remove course_search_form method
fix regression in custom_menu()
move theme_elegance_get_nav_links() to lib.

this was in course_renderer() but outside of the class...
remove course_renderer.php

no more methods :)
fix regression in navbar()