fixed autodetect of jstree css
fixed autodetect of jstree css

unipept/unipept,bmesuere/uni-test,bmesuere/uni-test,bmesuere/uni-test,bmesuere/uni-test,unipept/unipept,unipept/unipept,unipept/unipept,unipept/unipept,bmesuere/uni-test