added rspec for testing, created GithubApi class and test
created since for pull requests, rake task :since shows it off.
puts pull title and closed time in rake task
requiring GithubAPI on rails load
added tests, set up since with options hash
set up initializer to configure octokit client
added GithubAPI configuration, fixed everything else
loads from either environment or config, priority given to access tokens
switched to ian's config file
Merge pull request #1 from sportngin/octokit-inc

Since for pull requests, configured rspec, added config for Octokit