Print bit client error messages to stderr, not stdout.
Print bit client error messages to stderr, not stdout.

git-svn-id: 6de00cc093efda2c35622577e1e66b6510f8e7f5@26 8c8141c3-5616-4d10-9a90-9230a8688ae7

bendiken/bitcache,bendiken/bitcache