• Fixed mounting issues with --enable-storage-client-library=true.
• Support optional negative entries(NonExistentType) in type cache.
• Support optional log rotation with syslog and custom log file (--log-file).
  See docs/logging for more details.
• Made CreateObject, ComposeObject and DeleteObject methods with --enable-storage-client-library=true idempotent.
• Minor fixes and improvements.