• Update to 2.2.4
• Add LICENSE_FILE
• Use USES=autoreconf instead of USE_AUTOTOOLS=autoconf
• Use USES=libedit
• Silence patch and build messages

Changes: https://www.ruby-lang.org/en/news/2015/12/16/ruby-2-2-4-released/

		http://svn.ruby-lang.org/repos/ruby/tags/v2_2_4/ChangeLog

Security: 3b50881d-1860-4721-aab1-503290e23f6c
Differential Revision: https://reviews.freebsd.org/D4668
PR: 205487
Exp-run by: antoine
MFH: 2015Q4