im im_chat im_livechat website_livechat

0. extract list of smileys in it own overwritable method `get_smileys_list` ?
1. use `_.each()`
2. maybe use a regex to avoir replacing smileys in words.

`"(?:^|\s)(" + re_escape(key) + ")(?:\s|$)"`
where

    re_escape = function(str){
        return String(str).replace(/([.*+?=^!:${}()|[\]\/\\])/g, '\\$1');
     };