[COOK-3742] Remove trailing comma to restore Ruby 1.8 support

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Version bump to v1.2.2
Version bump to v1.2.3
[COOK-3721] Set jenkins cookbook to be the source of the node_info.groovy cookbook_file

Signed-off-by: Seth Vargo <sethvargo@gmail.com>