Changes in version 0.20

Experimental version released on February 7th, 2014.

This is the first release without the code for the deprecated tools. If
you require such code, please fetch a copy of the 0.19 release and extract
the 'tools' directory for your own consumption.

• Removed the deprecated tools. This includes atf-config, atf-report,
  atf-run and atf-version.