split post_comment.sh to have credentials and CA certs in different files
display info txt if no similarites are found;
allowing new lines in review answers;
bug fix in Stack view

this should solve the display problem
FEED head-clicks are now also stored in a cookie, and restored when the filter is applied again, eg. after reload or after load more.
added submit lock period for final tasks;
added evaluation sorting;
ELAB removed |safe from elaboration-presentation
FEED two new filters for staff-only comments
HOME new infos, new links, new lecture recordings
excluding non course challenges form lock period;
CHALLENGE bug fix for the new interval checker.
CHALLENGE removed debug message
CHALLENGE another submit bug fix
displaying only elabs having awesome review count > 1;
CHALLENGE+REVIEW two little fixes regarding safe-tagging of text
TINYMCE word count should now work with umaut characters
FEED now is now 30 seconds earlier
added temporary console outputs for debugging;
added temporary console outputs for debugging;