[XXE] config file: spellCheckOptions issue

[Benoit Maisonny]

It looks like XXE 3.5 does not include the latest schema for the 
configuration file. I opened 
/usr/local/xxe-pro-3_5_0/addon/config/xhtml/xhtml.xxe and it says that 
spellCheckOptions is not expected there.

Cheers,
Benoit