readme update + removing seriazable classes
	modified:   README.md
	deleted:    StiGame/DefaultResolver.cpp
	deleted:    StiGame/DefaultResolver.h
	deleted:    StiGame/Field.cpp
	deleted:    StiGame/Field.h
	deleted:    StiGame/FieldResolver.cpp
	deleted:    StiGame/FieldResolver.h
	deleted:    StiGame/IntField.cpp
	deleted:    StiGame/IntField.h
	deleted:    StiGame/Serializable.cpp
	deleted:    StiGame/Serializable.h
	deleted:    StiGame/StringField.cpp
	deleted:    StiGame/StringField.h