Fixes #37093 - Drop single_test gem

The rails command (bin/rails test) provides mechanisms to run individual
tests while the last commit to single_test was 7 years ago.

Fixes #23962 - Fix Style/ExpandPathArguments cop

fixes #19050 - add Ruby on Rails 5.0 support

Adds configurable support for running on Ruby on Rails 5.0 or 4.2,
defaulting now to 5.0 on Ruby 2.3 or higher. Ruby versions with partial
or no support remain using 4.2 by default. Other points:

1. SETTINGS[:rails] is loaded pre-Rails boot, then post-boot the...

Fixes #3468 - Move token expiry to scope to avoid FK issues

api v1 - restapi renamed to apipie

cleanup after merge conflict with latest develop branch

WIP rails3 migration

empty rails project