fixes #4599 - DNS and DHCP records for BMC and managed interfaces not using FQDN

(cherry picked from commit 21e07e92ca2d0341a09de48fadfa95625f6d9f55)

fixes #3046 - add NIC CRUD, power and boot operations API

upgrade foreman to rails 3.2.13

This commit updates from rails 3.0.x to 3.2.x, main changes include:

• Asset pipline support
• cleanup of existing assets (javascript, css, images)

Users who uses foreman in production, make sure that you now compile
your assets, e.g...

fixes #1814 - converts sp_* attributes into a BMC interface class

this patch also includes the following

• added a new interfaces table, and STI objects to represent a NIC, BMC, Managed
  and a bootable interface.
• refactored DHCP/DNS orchestation code, so they can work on the...