do not force highlight item creator
set cursor to the end of search field on focus
adapt cs to use autosuggest layout styles for single mode also
some review
refactoring;
allow autocomplete layout for single-mode;
replace method 'children' with 'find' for all containers (to keep valid behavior in case of external containers structure modification)
fix error with overlapping events 'openOnActivation' in autocomplete mode and 'closeAfterChange'
change logic for 'selectCreated' option