Modify a part of explanation of s3fs-c
Add rules for bucket naming
Fix leofs/issues/106 for v0.16.5
Update doc for v0.16.5
Add 'chown-bucket' for v0.16.5
Merge branch 'master' into develop
Add explanation in NUM_OF_CONTAINERS on the configuration's page
Merge branch 'release/0.16.5-rc1'