Remove .DS_Store file
Removed unnecessary script related to SElinux
fixes missing assets files
more minor fixes around asset pipeline changes

1. put back needed icons for settings editing
2. fixed incorrect js syntax after dropping jrails.js
fixes #2371 - removed iconv - causing deprecation notice - block in require: iconv will be deprecated in the future, use String#encode instead
Add :host_id to BMC options hash
Make power actions return a simple true/false instead of JSON