fixes #17335 - parse Solaris update as minor version

Also fixes idempotency of OSes with only a major version (as Solaris
was prior to this change), where `minor` was nil instead of "", causing
the OS to be recreated with a validation error.
(cherry picked from commit 13875289357605c80b8073c2befcf84303e3695d)

fixes #17314 - use *_subnets permissions for Subnet subclasses

(cherry picked from commit b628f37369dead0a247bd6d5857bb2cafd223e77)

Fixes #17256 - ignore order in Authorizer

(cherry picked from commit 6ba1d11667fcdd8d7345d487f3c831e0d31e587d)

Fixes #16704 - Allow filtering on dashboard

Some filters on the dashboard caused the reports widget to break,
specifically searching using free text or on attributes that are not
part of the hosts table (such as environment name).
This is caused by an issue with Rails that digregards outer joins when a...

fixes #16749 - improve NIC update performance during fact imports

- In get_facts_for_interface, replace regexes in hash key filtering
with simple String methods and simplify hash construction
- Change logger.debug to lazy evaluation for production performance,...

Fixes #14545, #13104 - Correctly parse y.z minor OS versions

Some OSes use y.z minor version, for example CentOS uses versions such
as 7.2.1511. Currently, the puppet fact parser will only take the 'y'
part of the version, 2 in this case, which can lead to conflicts if the...

fixes #16576 - only load FactName IDs, not models during import

Restores behaviour from before c696f74, which only keeps FactName IDs to
avoid loading the entire model. For structured facts, the compose values
are also preloaded, so the model is only loaded and updated if the value...

Fixes #2314 - fine grain for RAM selectors

(cherry picked from commit eabbbeb4730abb51de2de8f9b302d26b14d6d33a)

Fixes #16358 - Load dashboard on puppet proxy view

Some changes made to the main dashboard caused the puppet dashboard on
the smart proxy page to break.
This commit also includes small improvements to the dashboard loading
performance.

Fixes #16318 - PXE templates now work in safemode (#3783)

pxe_kernel_options added to safemode