Allow http templates again, fix the broken test

[#5926 state:committed]
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>

railties/lib/rails/generators/app_base.rb

@@ -102,7 +102,7 @@ def apply_rails_template
 
       def set_default_accessors!
         self.rails_template = case options[:template]
-          when /^https:\/\//
+          when /^https?:\/\//
             options[:template]
           when String
             File.expand_path(options[:template], Dir.pwd)