Fixes #9049 - Log exceptions when triggering a Puppet run

If an exception occurs during triggering a Puppet run from the UI,
user will be notified of the error in a flash message. If the
exception occurs when running the action non-interactively (e.g. from...

Fixes #8546 - Namespace interfaces and subnets to avoid a facts clash

(cherry picked from commit d3b7f426959b7195ceedac1b9e719bfd1563af02)

Fixes #7440 - correctly autocomplete current_user

(cherry picked from commit c9363b77e31215c46f706287db5ec2dfd29d42e5)

Fixes #8456 - normalize addresses only if mac is being set

(cherry picked from commit f7bedf484daf4a647afb078666822d25aae0f016)

Fixes #7908 - normalize mac before host get saved

For some reason we save host without running valdiations when we import
attributes from facts. Therefore we have to take care of mac
normalization by ourselves. We have to normalize it just after setting
new value because save can occure anytime....

Fixes #8321 - correctly pull Compute Resource image method from compute attributes

(cherry picked from commit bde3e87fabeb2006508ee9eddf70f66010b9da74)

Fixes #746 - Generate all the Host template when click on Build to avoid errors during installation

Fixes #2089 - Add network configuration to ENC

Fixes #6710 - unicode characters in url parameters

Original methods to_param defined on resources called name.parameterize
to get rid of url-unsafe characters. This function unfortunately also
stripped off unicode characters.

Changes:
- parameterization extracted into a separate module Parameterizable...

Fixes #7401 - Add support for bonds

Renames physical_device to attached_to and move the virtual device
form out of BMC.
Extends the form for Bond devices
Allow configuration of bonds in KS template
Parsing of Bond interfaces from facts
Mac address is required only for physical devices