[COOK-2978] samba cookbook has foodcritic errors
[COOK-1363] Fix user password change on systems not using bash as system shell.
Rather attempt to specify newline and escape options to echo, insert the newline in ruby, and rely on the echo newline.
* Add a CONTRIBUTING file to each cookbook. * Move the Changes/Roadmap section(s) to CHANGELOG.md. * Create the Apache LICENSE file in each cookbook.