Update CHANGELOG for greater accuracy
Update CHANGELOG for greater accuracy

Hello! As someone following these changes and releases, I find the current changelog confusing. I think the changes in this PR make help the changelog more accurately reflect what happened in this recent release cycle. Sort of relates to #21.
juliandunn/openssl,GannettDigital/chef-openssl,chef-cookbooks/openssl,opscode-cookbooks/openssl,h4ck3rm1k3/openssl