1.0-beta3

• Added client-side caching.
• Added HTTP Basic authentication.
• Added KakaduProcessor.
• Added a sizes key to information responses.
• Renamed ImageIoProcessor to Java2dProcessor.
• Java2dProcessor supports pyramidal TIFF.
• Improved the thread-safety of FilesystemCache.
• Improved the security of FilesystemResolver.
• Source images are streamed directly rather than being re-encoded when the
  IIIF parameters request a full-size, unmodified image.
• Cantaloupe is now distributed as a .zip archive.