WhisperSystems/TextSecure — pull request #1964 by mcginty (2014-10-01 04:50:37+00:00)
Title: use https maven central

Apparently it's been available since August.

http://central.sonatype.org/articles/2014/Aug/03/https-support-launching-now/
http://central.sonatype.org/pages/consumers.html#gradle