[FEATURE] HTML Bleach

:shipit: 

Defaults:

```
var ALLOWED_TAGS = [
    'a',
    'abbr',
    'acronym',
    'b',
    'blockquote',
    'code',
    'em',
    'i',
    'li',
    'ol',
    'strong',
    'ul'
];
var ALLOWED_ATTRIBUTES = {
    'a': ['href', 'title'],
    'abbr': ['title'],
    'acronym': ['title']
};
var ALLOWED_STYLES = [];
```