Merge branch 'master' into develop
Update PyNaCl version, change note about finishing CFFI bindings.
Reorder __future__ imports in scripts/generate-OR-descriptors.
Setup logging in scripts/generate-OR-descriptors.
Move `@type [bridge-]server-descriptor` functions to new module.

 * ADD new module leekspin.server.
Move makeOnionKeys() to leekspin.crypto module.
Move extrainfo document functions to new module, leekspin.extrainfo.
Move networkstatus functions to new module, leekspin.netstatus.
Move signDescriptorDigest() to leekspin.crypto.
Move descriptor set generation functions to new module leekspin.generator.
Move writeDescToFile() to leekspin.util.
Call leekspin.generator.create() and fix imports in main script.
Use unicode compatible syntax in leekspin.nicknames.
Merge branch 'release-0.0.4'