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...

make DNS lookup not fail on socket errors

adds ec2 provisioning support fixes #1223

- added progress bar for instance creation
- minor fixes for certname based deployments
- added ssh provisioning support to orchestartion, which utilize finish
scripts by default
- added images support (part of the vm compute tab)...

improve mac regexp, refs #1273

code smell

Fixes #944 - clear network conflicts

When a network conflict is detected (such as conflicting ip/name dns or
dhcp records), foreman would try to suggest a resolution.

Signed-off-by: Paul Kelly <paul.ian.kelly@googlemail.com>

Revert "Fixes #944 - clear network conflicts"

This reverts commit 117ba92a758e4589ef5fdf1f1b9083402b2d317b.

Fixes #944 - clear network conflicts

When a network conflict is detected (such as conflicting ip/name dns or
dhcp records), foreman would try to suggest a resolution.

Signed-off-by: Paul Kelly <paul.ian.kelly@googlemail.com>

fixes #1381 - nextServer should be handled internally as an IP address not a hostname

Signed-off-by: Paul Kelly <paul.ian.kelly@googlemail.com>

fixes #1273 - wrong MAC address regexp, now with the right regexp