fix session_start error.
hide admin bar when not logged in for uncc.
fix footer errors.
fix favicon.ico override for variations and child.
remove posted by line for non-post posts.
fix sliding sidebar bugs.
fix search image and redirect.
add header menu for uncc variation.

- moved the header-menu-wrapper out of the the header-wrapper
for default variation.
- also made some changes to css for header menu.
correct header image error.
move login button to right on admin bar.
format comments.