Added magento cookbook without redis for CC-667

###Description of your patch###

Recipe to add Magento local.xml support to ey-cloud-recipes

###Estimated risk###

Low

###Components involved###

magento recipe

###Description of testing done###

booted configuration with magento to see local.xml being filled in.

###QA Instructions###

Boot environment with chef recipe. You should see local.xml being updated with the db host information.