Add SpellChecker to nuspec
Add SpellChecker to nuspec

KirillOsenkov/OpenLiveWriter,adilmughal/OpenLiveWriter,willduff/OpenLiveWriter-1,adilmughal/OpenLiveWriter,hashhar/OpenLiveWriter,KirillOsenkov/OpenLiveWriter,lisardggY/OpenLiveWriter,lisardggY/OpenLiveWriter,willduff/OpenLiveWriter-1,lisardggY/OpenLiveWriter,lisardggY/OpenLiveWriter,adilmughal/OpenLiveWriter,willduff/OpenLiveWriter-1,adilmughal/OpenLiveWriter,willduff/OpenLiveWriter-1,adilmughal/OpenLiveWriter,hashhar/OpenLiveWriter,hashhar/OpenLiveWriter,hashhar/OpenLiveWriter,KirillOsenkov/OpenLiveWriter,willduff/OpenLiveWriter-1,lisardggY/OpenLiveWriter,KirillOsenkov/OpenLiveWriter,hashhar/OpenLiveWriter,KirillOsenkov/OpenLiveWriter