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()
make our classes extend theme_bootstrap classes
Merge remote-tracking branch 'origin/remove_theme_bootstrap_components'

Conflicts:
	renderers/core_renderer.php
remove merge conflict stuff...

lol, I still suck at git.