Bug 927614: Fix action hook execution during v2 control ops

Fix action hook execution during v2 do_control calls, and add cucumber
test coverage for the build cycle to exercise action hooks.
HAProxy WIP.

Cart repo version fixes.

HAProxy WIP.

SSH key setup for HAProxy.

Fixes to get the HAProxy daemon running.

Add haproxy hooks.

Add php connection hooks.

Move hooks

Fix php publish hooks.

Fix haproxy connection hooks to support scale-up/scale-down.

HAProxy control script fixes.
Automatic commit of package [openshift-origin-cartridge-haproxy] release [0.1.1-1].
WIP Cartridge Refactor - Add PHP support for threaddump

* Add proper return code to PHP cartridge
* Use V1 contract to report error
* Update cucumber tetss
Read values from node.conf for origin testing.
Merge pull request #1809 from ironcladlou/dev/v2carts/build-system

Merged by openshift-bot
Merge pull request #1818 from mrunalp/dev/haproxy_wip

HAProxy v2 WIP
Merge pull request #1816 from rmillner/fix_runtime

Read values from node.conf for origin testing.
Automatic commit of package [openshift-origin-cartridge-haproxy] release [0.1.3-1].
Merge pull request #1817 from jwhonce/wip/threaddump

WIP Cartridge Refactor - Add PHP support for threaddump