Quotes into lists

Available the option `check_quotes_into_lists`: use it to force a sane recognition and handling of quotes into lists.

```
* Asagi
* Charlotte 
* >Tsurugi
>not goddess
```
Strict markdown | check_quotes_into_lists = true
:--------|:-----
[list]<br />[\*] Asagi<br />[\*] Charlotte <br />[\*] \>Tsurugi<br /><br />[quote]<br />not goddess<br />[/list]<br />[/quote]<br /> | [list]<br />[\*] Asagi<br />[\*] Charlotte <br />[\*] [quote]<br /><br />Tsurugi<br />not goddess<br /><br />[/quote]<br />[/list]