Foreman » Smart Proxy

Fixes #11081: broke out dhcp providers into separate modules

Fixes #12465 - remove deleted records from results

Fixes #12466: isc dhcp provider handles subnet block declarations correctly now.

Fixes #12469 - raise Proxy::DHCP::InvalidRecord

Raise Proxy::DHCP::InvalidRecord if delRecord is called on a nonexistant record by looking for the `omshell` error.

Fixes #12211 - Improve DHCP subnets parsing to get more informations from DHCP server

Fixes #11783 - MS providers: add compat for ruby2.0

Fixes #11997 - DHCP option for NX-OS should be quoted

Fixes #11866: first pass at speeding up dhcp (both isc and ms).

Refactor in-memory storage into single class, ensure linear time
lookups for most queries.

Fixes #11676 - added dhcp_server option

refs #8046: Add possibility for providers to overwrite find_record to load single records