Add support for auto-scaling with multiple haproxies.

Fix format for storing URLs.

Add only remote haproxy status urls and restart ctl daemon.

Add support for reading stats from multiple haproxies.

Add logging and resilience to remote proxies not available.
Merge pull request #3347 from mrunalp/dev/as-multi-ha

Merged by openshift-bot
<broker> improve Gemfile loading + bug 993250

https://bugzilla.redhat.com/show_bug.cgi?id=993250
Bundler load failures are wrapped and re-interpreted for OpenShift
  instead of telling the user to "bundle install"
OPENSHIFT_CONF_DIR overrides /etc/openshift base for broker config files
Gemfile loads plugins even if just the -dev.conf file is present
Plugins are loaded in sorted order, in case it matters
Merge pull request #3294 from sosiouxme/broker-plugin-loading

Merged by openshift-bot
save exposed port interfaces of a gear
Merge pull request #3349 from rajatchopra/master

Merged by openshift-bot