These jar files are created each week by the Travis build.
Ignore the "N commits to master since this release" text. These installers are created on the master branch, but uploaded to the weekly tag.
Mac users: try using the Linux installer.
Linux and Mac users: To download and install, use:
tar -zxf Kepler-2.60.1-linux.tar.gz cd Kepler-18.104.22.168 ./kepler.sh