3 files left to go, and they're behaving oddly so I'm leaving them out
in this pass. Looks like 21 deprecations left.
Signed-off-by: Ryan Davis <zenspider@chef.io>
This adds a new git fetcher. In doing so, it also refactors how the
fetchers work a bit to better support fetchers that need to resolve
user-provided sources to fully specified sources appropriate for a
lockfile.
Signed-off-by: Steven Danna <steve@chef.io>