Реализована фабрика состояний вопросов.
Merge branch 'master' into QuestionStateFactory

Conflicts:
	QuizPlayer/libqp/MatchingQuestionState.cpp
	QuizPlayer/libqp/MatchingQuestionState.h
	QuizPlayer/libqp/TypeInQuestionState_fwd.h
	QuizPlayer/libqp/libqp.vcxproj.filters
	QuizPlayer/libqp/libqptests/libqptests.vcxproj.filters
Merge branch 'master' into QuestionStateFactory

Conflicts:
	QuizPlayer/libqp/MatchingQuestionState.cpp
	QuizPlayer/libqp/MatchingQuestionState.h
	QuizPlayer/libqp/TypeInQuestionState_fwd.h
	QuizPlayer/libqp/libqp.vcxproj.filters
	QuizPlayer/libqp/libqptests/libqptests.vcxproj.filters
Merge branch 'master' into QuestionStateFactory