Add comments to storage/file
Add event and intrusive_list, cpplint all
Removed unused code, fix test for cpplint
Fix File::Read and File::Write issue, Add Delete, ReadAll
add path
Add Path::IsAbsolute
Merge pull request #6 from chen3feng/develop

File and Path
Add static_class.h, cpplint path
Merge pull request #7 from chen3feng/develop

Add static_class.h, cpplint path
Add Path::Join
Merge pull request #8 from chen3feng/develop

Add Path::Join
Add SpinLock, RwLock, Semaphore, ThreadGroup
Merge pull request #9 from chen3feng/develop

Add SpinLock, RwLock, Semaphore, ThreadGroup
Add closure
Add closure.cpp to make closure must be linked
Add closure.h.pump and adjust format
Merge pull request #10 from chen3feng/develop

Add closure.h.pump and adjust format
Fix typo
Merge branch 'develop' of https://github.com/chen3feng/toft into develop
Add missing namespace