Add .coverall.yml file to config for local use
Restores local SimpleCov report to /coverage
[Issue #3] Initial steps to rails 4 upgrade

Converts attr_accessible to strong-parameters
Upgrades activeadmin to (1.0.0.pre)
Updates routes to include HTTP methods for each entry
Upgrades to rails 4.1.1
Updates friendly_id to latest
Adds compatibility for activeadmin with rails4 and CanCan
Resolves merge conflicts