更新build system文件
make TestCase018 green
make TestCase018 green
重构GravatarTest
make TestCase25 green
重构GravatarTest
重构Gravatar
make TestCase27 green
重构KAvatarLoaderTest
make TestCase029 green
重构KAvatarLoader
make TestCase010 green
重构KAvatarLoaderTest
重构KAvatarLoader