bugfix: questions indicator;
EVAL nicer table layout for all the indicators
refactoring "lva team anmerkungen" indicator;
added first version of similarity check;
removed 50 word limit in evaluation view>questions
SLIDES added pub_date as data-tag in studio
COMMENTS fixed a bug in the response detail foldout
added evaluations in others;
SLIDES changed pub_date to seconds since unix
Merge branch 'master' of github.com:martflu/amanaman
EVALUATION added wordcount to detail-view
evaluation refactorings;
CHALLENGES fixed z-index fuckup with oversized check mark
CHALLENGES made ENTER CHALLENGES modifier-clickable
CHALLENGES fixed dated wording on challenges main page.
HOME changed sidebar text to reflect new chapter structure
STACK green arrow is now a real link, so tasks can be opened in a new tab/window
BASE fallback background color for pagehead
added stack description in challenge_txt;
reafactoring similarities;