billing and shipping address (kickoff)
remove minitest tests and update gems
add mobile viewport meta tag
add secret key for test env
load all models
setup rspec 3 framework
Revert "billing and shipping address (kickoff)"

This reverts commit 657c892f0e94de3af3860d8e3353477ea19c41f9.
Merge pull request #1 from vlewin/rspec3_setup

Rspec3 setup