Merge pull request #32 from JackDanger/master

lib/annotate/annotate_models.rb

@@ -133,7 +133,9 @@ module AnnotateModels
           new_content = old_content.sub(/^# #{COMPAT_PREFIX}.*?\n(#.*\n)*\n/, info_block)
           # But, if there *was* no old schema info, we simply need to insert it
           if new_content == old_content
-            new_content = options[:position] == 'before' ?  (info_block + old_content) : (old_content + "\n" + info_block)
+            new_content = options[:position] == 'before' ?
+              (info_block + old_content) :
+              ((old_content =~ /\n$/ ? old_content : old_content + '\n') + info_block)
           end
 
           File.open(file_name, "wb") { |f| f.puts new_content }