changed host and scheme to use ROOT_URL instead
changed host and scheme to use ROOT_URL instead

marksie531/hubot-scripts,phillipalexander/hubot-scripts,n0mer/hubot-scripts,GrimDerp/hubot-scripts,Ev1l/hubot-scripts,terryjbates/hubot-scripts,davidsulpy/hubot-scripts,zecahnin/hubot-scripts,alexhouse/hubot-scripts,azimman/hubot-scripts,wsoula/hubot-scripts,github/hubot-scripts,magicstone1412/hubot-scripts,yigitbey/hubot-scripts,justinwoo/hubot-scripts,jan0sch/hubot-scripts