Merge pull request #15 from bkmgit/link-update

Use web archive

README.md

@@ -35,8 +35,8 @@ This will compile two utilities `sfnt2woff-zopfli` to convert OpenType files to
 
 ## Licensing
 
-The WOFF portion of the code is taken from [sfnt2woff](https://people.mozilla.org/~jkew/woff/), which is licensed under the MPL/GPL/LGPL. The [Zopfli implementation](https://code.google.com/p/zopfli/) is licensed under the Apache License. My modifications to `woff.c` are also licensed under the MPL/GPL/LGPL.
+The WOFF portion of the code is taken from [sfnt2woff](https://web.archive.org/web/20170630235618/https://people-mozilla.org/~jkew/woff/), which is licensed under the MPL/GPL/LGPL. The [Zopfli implementation](https://code.google.com/p/zopfli/) is licensed under the Apache License. My modifications to `woff.c` are also licensed under the MPL/GPL/LGPL.
 
 ## Alternative
 
-You can also use the [ttf2woff tool](http://wizard.ae.krakow.pl/~jb/ttf2woff/), which also converts OpenType files to WOFF using Zopfli, but is exclusively licensed under the GPL.  However it doesn't have a command line option for the number of Zopfli iterations and thus can't create files as small as sfnt2woff-zopfli.
+You can also use the [ttf2woff tool](https://torinak.com/~jb/ttf2woff/), which also converts OpenType files to WOFF using Zopfli, but is exclusively licensed under the GPL.  However it doesn't have a command line option for the number of Zopfli iterations and thus can't create files as small as sfnt2woff-zopfli.