jeremy f374615e17 Update to the latest versions of ruby: 2.5.1, 2.4.4, and 2.3.7.
This fixes the following CVEs: 2017-17742, 2018-6914, 2018-8777,
2018-8778, 2018-8779, and 2018-8780.

While here, switch HOMEPAGE and MASTER_SITES from http to https,
requested by tj@.
2018-03-31 21:12:45 +00:00
..
2018-01-15 23:58:44 +00:00