Merge pull request #697 from schasse/appraisals_is_ruby

Appraisals is a ruby file, too

modules/prelude-ruby.el

@@ -53,6 +53,7 @@
 (add-to-list 'auto-mode-alist '("\\.podspec\\'" . ruby-mode))
 (add-to-list 'auto-mode-alist '("Puppetfile\\'" . ruby-mode))
 (add-to-list 'auto-mode-alist '("Berksfile\\'" . ruby-mode))
+(add-to-list 'auto-mode-alist '("Appraisals\\'" . ruby-mode))
 
 ;; We never want to edit Rubinius bytecode
 (add-to-list 'completion-ignored-extensions ".rbc")