Merge pull request #509 from okuramasafumi/patch-1

Fix dead link to Ragel in README

README.md

@@ -13,7 +13,7 @@ will be two variants available:
 * The quite a bit faster native extension variant, which is in parts
   implemented in C or Java and comes with its own unicode conversion
   functions and a parser generated by the ragel state machine compiler
-  http://www.complang.org/ragel/ .
+  http://www.colm.net/open-source/ragel/ .
 
 Both variants of the JSON generator generate UTF-8 character sequences by
 default. If an :ascii\_only option with a true value is given, they escape all
@@ -72,7 +72,7 @@ with:
 
 If you want to create the `parser.c` file from its `parser.rl` file or draw nice
 graphviz images of the state machines, you need ragel from:
-http://www.complang.org/ragel/
+http://www.colm.net/open-source/ragel/
 
 ## Usage