update metadate defaults
added readme file to fix FC011: Missing README in markdown format: yum_update/README.md:1
fix error FC023: Prefer conditional attributes: ./aem_config_newrelic/recipes/default.rb:29
FC023: Prefer conditional attributes: ./aem_config_newrelic/recipes/default.rb:42
FC023: Prefer conditional attributes: ./aem_config_newrelic/recipes/default.rb:55
added metadata file fix: FC031: Cookbook without metadata file: yum_update/metadata.rb:1
remove none use variable to fix FC034: Unused template variables: ./psft_scripts/templates/default/ps_web.erb:1
Merge pull request #4 from cru-Luis-Rodriguez/dev_cru_chef_server_custom_repo

Dev cru chef server custom repo