First commit, printing hello.
Added greetings definition and use.
Separated out definition of greeting.
Add 'readmes/' from commit 'b149530a6aa132fc69eb61aa75365ab125891204'

git-subtree-dir: readmes
git-subtree-mainline: 222af2acde328e6196929d88c9d8d14716946969
git-subtree-split: b149530a6aa132fc69eb61aa75365ab125891204