Fix bugs; patch Hunspell

* Patch Hunspell to work with raw binary data
* Fix typing in BCodeEdit in block mode
* Replace QSet with QMap for ignored words storage in BSpellChecker
BeQt v3.1.7

* Patch Hunspell to work with raw binary data
* Fix typing in BCodeEdit in block mode
* Replace QSet with QMap for ignored words storage in BSpellChecker