Add survey log of 0 byte issue on s3fs-fuse.
Add benchmark result of s3fuse and s3fs-fuse
Merge pull request #2 from Matsue/surbey_fuse_benchmark

Add the benchmark result of s3fuse and s3fs-fuse
Add "Performance test of s3fs-fuse and s3fuse"
Merge pull request #3 from Matsue/surbey_s3fs_0byte_issue

Add survey log of 0 byte issue on s3fs-fuse
Add "Survey 0 byte issue on s3fs-fuse"