Upgrade to rspec 3.0 and 1.9 hash syntax.

Signed-off-by: Nathan Lowrie <nate@finelineautomation.com>
Update gemfile to 2.1

Signed-off-by: Nathan Lowrie <nate@finelineautomation.com>
Fix reg expression to use spree enabled attributes

Signed-off-by: Nathan Lowrie <nate@finelineautomation.com>
Migrate attr_accessible to strong_parameters

Signed-off-by: Nathan Lowrie <nate@finelineautomation.com>