Fix HipChat adding repository link
Fix HipChat adding repository link

Fixes cake-build/website#172

SharpeRAD/Cake.Website,cake-build/website,cake-build-bot/website,cake-build-bot/website,devlead/website,devlead/website,devlead/website,cake-build/website,cake-build/website,SharpeRAD/Cake.Website