new versionclasses method and skins to fit for WEB-9143 +review WEBCR-323
use comparison function to preserve stated order of versions for WEB-9143 +review WEBCR-323
remove error log for WEB-9143 +review WEBCR-323
fixes per CR for WEB-9143 +review WEBCR-323
oops, we can't remove this until after deploying splunkdocs for WEB-9143 +review WEBCR-323
Merge pull request #29 from splunk/dev-WEB-9143

Improve handling of old version banner
Merge remote-tracking branch 'upstream/master'