cron/cron_runjobs.sh Fix user-defined environment variables path

"rhc set-env" creates files in ~/.env/user_vars, but cron still looked for files in ~/.env/.uservars
Make the Python cartridge work with CentOS.
Merge pull request #4148 from jooert/patch-1

Merged by openshift-bot
Merge pull request #4150 from smerrill/feature/fix-cartridges-on-centos

Merged by openshift-bot
Merge pull request #4151 from danmcp/master

Merged by openshift-bot
Bug 1016413 - refresh domain info
Merge pull request #4154 from liggitt/bug_1016413_refresh_domain_info

Merged by openshift-bot
Automatic commit of package [openshift-origin-cartridge-cron] release [1.16.2-1].
Automatic commit of package [rubygem-openshift-origin-node] release [1.17.3-1].
Automatic commit of package [openshift-origin-cartridge-haproxy] release [1.17.2-1].
Automatic commit of package [openshift-origin-broker-util] release [1.17.3-1].
Automatic commit of package [rubygem-openshift-origin-common] release [1.17.2-1].
Automatic commit of package [openshift-origin-node-util] release [1.17.3-1].
Automatic commit of package [openshift-origin-cartridge-python] release [1.17.3-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.17.3-1].
Automatic commit of package [rubygem-openshift-origin-console] release [1.17.3-1].
Bug 1029147