Rename keychain#(token|password) -> github_(token|password).
Add apple id and password to the keychain.
Add apple_(id|password) to Config.
Rename (password|token|login) -> github_(password|token|login).
Rename creds.rb -> github_creds.rb
Add mechanize (for verifying apple creds.)
Here's a preflight check to collect and verify app store credentials.

It uses mechanize to verify by logging into appleid.apple.com.