Rebuilt Gemfile.lock file ; used https instead of http in Gemfile; add minitest(3.5.0) to get green test run; see 5 dep warnings
 1. Upgraded capybara to current version.
 2. Added capybara-webkit to get headless test run.
 3. Test run is all green.
Merge pull request #244 from jasnow/master

Refreshed Gemfile.lock file