Recognize version or version + build
Add prerelease and nightlies resource options
Nail down metadata class except Windows version processing
Map Windows versions => nicknames
Provide method and key access to metadata instances
Provide access to the filename portion of the URL
Implement metadata helper in main provider
Rip out all now-unnecessary sub-provider logic
Fix comment typo
Update CHANGELOG w/ new metadata info
Use OpenURI to resolve SSL errors
Resolve new Rubocop error
Replace stray call to old 'version' method
Merge pull request #30 from RoboticCheese/roboticcheese/use-chefs-metadata-generator

WIP fix for #27