fix tests for finnish grammar checker
Merge branch 'gramchk' of https://github.com/voikko/corevoikko into gramchk

Conflicts:
	libvoikko/src/grammar/FinnishGrammarChecker.cpp
	libvoikko/src/grammar/FinnishGrammarChecker.hpp
	libvoikko/src/grammar/GrammarCheckerFactory.cpp
	libvoikko/src/grammar/GrammarCheckerFactory.hpp