[#262] Add a rake task to convert line endings to UNIX

lib/tasks/code.rake

@@ -0,0 +1,14 @@
+namespace :code do
+  desc "Fix line endings of all source files"
+  task :fix_line_endings do
+    unless `which fromdos`.present?
+      raise "fromdos command not found"
+    end
+    
+    Dir['**/**{.rb,.html.erb,.rhtml,.rjs,.rsb,.plain.erb,.rxml,.yml,.rake,.eml}'].each do |file_name|
+      next if file_name.include?("vendor")
+      system("fromdos #{file_name}")
+    end
+    
+  end
+end