Add a default Ruby version for development
Add a default Ruby version for development

[ci skip]

guialbuk/shoulda-matchers,biow0lf/shoulda-matchers,biow0lf/shoulda-matchers,guialbuk/shoulda-matchers,thoughtbot/shoulda-matchers,biow0lf/shoulda-matchers,reacuna/shoulda-matchers,thoughtbot/shoulda-matchers,guialbuk/shoulda-matchers,guialbuk/shoulda-matchers,reacuna/shoulda-matchers,reacuna/shoulda-matchers,biow0lf/shoulda-matchers,reacuna/shoulda-matchers,thoughtbot/shoulda-matchers,thoughtbot/shoulda-matchers