Rails dev tools

This is a collection of utilities used for Rails internal development. They aren't used by Rails apps directly.

console drops you in irb and loads local Rails repos
railspect provides commands to run internal linters
line_statistics provides CodeTools module and LineStatistics class to count lines
test is loaded by every major component of Rails to simplify testing, for example: cd ./actioncable; bin/test ./path/to/actioncable_test_with_line_number.rb:5