Version bump to 0.2.2
Version bump to 0.2.2

guodongme/impressionist,firmanm/impressionist,samchen2009/impressionist,guodongme/impressionist,samchen2009/impressionist,firmanm/impressionist,charlotte-ruby/impressionist,samchen2009/impressionist,firmanm/impressionist,guodongme/impressionist,charlotte-ruby/impressionist,charlotte-ruby/impressionist