added missing system package for open ssl's dev libs

added missing system package for open ssl's dev libs, you can't install pip requirements without them installed.
Fix for Issue #84:
Having a trailing slash '/' on the storage path results in the following error:
IOError: [Errno 2] No such file or directory: '/srv/docker/epositories...

While this doesn't solve that problem, it corrects the doco in the meantime.
Merge pull request #88 from denmat/master

Fix for Issue #84:
Ignore flakes warning about commit messages
Implemented parallel pull
Switch the io buf size to 128kB instead of 64
disabling new-relic
Close the duplicated key when the chunk transfer is complete
Fixed warning
Fixed gunicorn restart
Improve parallel key. Spend less time on the buffering mechanic
Merge pull request #86 from kencochrane/master

added missing system package for open ssl's dev libs
Reduce concurrency to 20
Improved logging
Bumped version to 0.6.1
Fixed pep8
Merge pull request #89 from dotcloud/fast-s3

Fast s3
Merge remote-tracking branch 'upstream/master' into feature_getrepos