Add `calagator` executable and `rails_template.rb` to gemspec
Add `calagator` executable and `rails_template.rb` to gemspec

Fixes #440

L2-D2/calagator,L2-D2/calagator,cp/calagator-1,L2-D2/calagator,reidab/calagator,cp/calagator-1,cp/calagator-1,reidab/calagator,L2-D2/calagator,cp/calagator-1,reidab/calagator,reidab/calagator