use https url
Merge pull request #34 from friism/use-https-url

use https url
fix isolation of database
Merge pull request #36 from rainforestapp/fix-isolation-of-db

fix isolation of database
version bump
fix Heroku's Postgres conditional check
add rest-client requirement plus debug info
add Heroku Button
Merge pull request #37 from rainforestapp/fix-heroku-postgres-check

fix Heroku's Postgres conditional check
version bump
Merge pull request #40 from rainforestapp/add-heroku-button

add Heroku Button
Minor formatting
Merge pull request #1 from rainforestapp/master

,mnm