Adds site config for Hipchat logins

Basically used the dropbox site config as a template for this. Hipchats login is not terribly complicated
Adds logo file and corrects product capitalization
corrects duplicate url entry and adds more concise url

I didn't formally understand the urls section at first. As I modeled this from the dropbox config I think I just took things too literally
Merge pull request #333 from ninjapanzer/pks/hipchat_site_config

Adds site config for Hipchat logins
Merge branch 'develop'
Merge branch 'master' of github.com:waltzio/waltz