rework login form so it will display error messages after a failed login and the appearance can be customized more easily
fix comment about hardcoded login-related urls
use HTML forms/HTTP POST requests for MediaCore's built-in rating so that bots/search engines do not trigger ratings when they spider the page.

So far the robots.txt can not be used to work around the issue because of MediaCore's restful URL structure (only very few bots support wildcards for URL exclusion).
recompile JS