Renaming 'installerDirectory' to 'configurationDirectory' because it doesn't just have installers in it.

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Reordering parameters to be more logical

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Reverting back to using the chef-client installer instead of installing ruby on the machine. That way we a) have a nice clean machine and b) don't have any issues with the ruby installs etc. During the test with serverspec we install ruby and serverspec.

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Adding missing project import for the settings file to the build.master script

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