Adds Github's Rails.gitignore

See https://github.com/github/gitignore/blob/master/Rails.gitignore
Creates a new Rails app. First commit.

Result of running `rails new ernst_reichl --no-rc --skiptest-unit
--database=postgresql`
Sets up database
Sets up minitest and simplecov
Sets default time zone to Eastern Time
Adds development gems

- Cleans Gemfile
- Runs simple_form installer
- Converts ERB layout to SLIM
- Reorganizes Coffee and SASS
Adds domain model

- Adds dragonfly for Picture
- Adds factory_girls_rails and guard-minitest to support testing
Prepares for Travis

Updates README.md

Fixes postgres setup for Travis-CI

Removes pry from test_helper

Renames README.md

Fixes badge on README.md