fix '[: ==: unary operator expected' errors
Provide overrides based on Ruby version so that a Ruby-1.8 app can scale.

This addresses Bug 951389.
Documentation for action hooks
Action hook cleanup and documentation
Add threaddump declaration to jbossews manifest
Merge pull request #2042 from maxamillion/dev/maxamillion/oo-accept-cleanup

Merged by openshift-bot
Fixing broker and nsupdate plugin deps
Merge pull request #2045 from BanzaiMan/dev/hasari/bz951389

Merged by openshift-bot
Merge pull request #2047 from ironcladlou/dev/v2carts/jbossews

Documentation for action hooks
Merge pull request #2048 from ironcladlou/dev/v2carts/php

Action hook cleanup and documentation
Merge pull request #2052 from ironcladlou/dev/v2carts/jbossews-threaddump

Add threaddump declaration to jbossews manifest
Merge pull request #2054 from brenton/deps1

dnsruby isn't actually used by the broker or nsupdate plugin
Added helpers to sdk
Merge pull request #2030 from fotioslindiakos/sdk_helpers

Added helpers to sdk
Fixed set_env_var