Add rake + Rakefile to run RSpec / RuboCop
Add Travis CI configuration
Automatically create logs and tmp directories

Ignored by Git, but needed by CI
Configure SimpleCov for Coveralls reporting
Restrict branch builds to master and develop
Add project badges to README.md
Merge pull request #16 from ausaccessfed/feature/travis-ci

Add configuration for Travis CI and Coveralls
Fix badges to point at develop branch