Finished attributes.
Including C++14 deprecated.
typo fix
Remove TODO of Range-based for.
It didn't changed to traits based implementation.
remove another range-based for TODO
Merge pull request #65 from tzik/typo_fix

typo fix
remove unnecessary TODOs.
Merge branch 'gh-pages' of https://github.com/EzoeRyou/cpp-book into gh-pages