Move away from logstash_commons

Just set attributes in case elkstack is present. This prevents needing to check for elkstack resources just to run the config LWRP.
Merge pull request #161 from AutomationSupport/forever-decouple

Move away from logstash_commons
pin forever version until restarts get fixed
bump version and changelog
addded ignores for rubocop
fixed ignores for rubocop
Merge pull request #165 from AutomationSupport/forever-version

Forever version
removed platformstack from being called
remove port forwarding
explicit depends on sudo
bump version and changelog
move cloud_monitor to attributes now that platformstack supports it
fix version and changelog
removed cloud_monitoring recipe and tests
remove the recipe import
remove uneeded dependency
Merge pull request #162 from AutomationSupport/platformstack

Remove recipe import from platformstack
allow each app to set a custom file open limit
conform to chefspec
add readme for open_files