Merge pull request #4458 from jwhonce/bug/1051984

Merged by openshift-bot
Removed double-slash from my.conf.erb
Bug 1051651 - Added more verbose error reporting when MySQL fail to start
Bug 1045342 - Fix the $MYSQL_VERSION env var is missing for mysql-5.1
Bug 1051910: Fix Python 2.6 regressions

The Python 3.3 SCL work broke many aspects of the 2.6 version by erroneously moving files/directories
shared by 2.6/2.7 into the 2.7 version directory.
Bug 1052059: Fix Python 3.3 venv path references
Merge pull request #4460 from ironcladlou/bz/1051910

Merged by openshift-bot
remove unnecessary cart-data variable descriptions
Merge pull request #4461 from ironcladlou/bz/1052059

Merged by openshift-bot
Bisect the scale up/down threshold more evenly for lower scale numbers
Bug 1052103: Fix template app.py for Python 3.3
Automatic commit of package [rubygem-openshift-origin-node] release [1.19.7-1].
Automatic commit of package [openshift-origin-cartridge-haproxy] release [1.19.4-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap] release [2.12.3-1].
Automatic commit of package [openshift-origin-cartridge-jbossews] release [1.18.3-1].
Automatic commit of package [openshift-origin-cartridge-postgresql] release [1.19.2-1].
Automatic commit of package [openshift-origin-cartridge-mysql] release [1.19.5-1].
Automatic commit of package [rubygem-openshift-origin-msg-broker-mcollective] release [1.19.5-1].
Automatic commit of package [openshift-origin-cartridge-python] release [1.19.3-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.19.7-1].