Added empty hubot-scripts.json file and added section to Readme on hubot-scripts.
Use https to connect. Require https instead of http library for connecting to Kandan.
Added section to readme on configuring access to Kandan with SSL, or other non-standard port.
Added missing Heroku instructions.
Merge pull request #5 from alfajango/more-heroku-instructions

Added missing Heroku instructions.
Merge pull request #7 from alfajango/allow-https

Allow https
Merge pull request #6 from alfajango/hubot-scripts-instructions

Added empty hubot-scripts.json file and added section to Readme on hubot scripts
Don't need channel_id in activity body, and causes mass-assignment error in kandan.