Added Devise for user management and VisitorsController for site index
Merge pull request #2 from AgileVentures/visitors

Visitors
Updated travis.yml for ruby 2.0.0p247
Pulled latest code and updated travis.yml for ruby 2.0.0p247
Typo in travis.yml for ruby 2.0.0-p247
Scenarios for basic layout & view spec for libraries
Added Bootstrap 3.0+