code cleanup
Merge pull request #10366 from rallytime/dig_test

More dig tests
Log 'zfs help' output at debug

This suppresses the output from this command unless the minion is
running in debug mode.
all methods in dig.py are tested
Merge pull request #10307 from makinacorpus/jinja_in

Be sure not to loose any var in case of multi macro inheritance
Merge pull request #10329 from pengyao/linux_interfaces

fixed linux nic name match
Merge pull request #10369 from rallytime/dig_test

all methods in dig.py are tested
Merge pull request #10334 from ajw0100/fix-hacking-doc

Ensure `master_port` in minion config matches `ret_port` in master config
Merge pull request #10335 from dmyerscough/develop

Unhandled exception in salt-run #9750
Merge pull request #10336 from halfss/patch-3

bug: syndic does not return in 1 seconds
Merge pull request #10337 from bemehow/blockdev

blockdev state, module and test
Merge pull request #10340 from zheng1/patch-1

add support to config azure management_host
Merge pull request #10345 from s0undt3ch/hotfix/lint

Lint fixes
Merge pull request #10348 from bbinet/fix_short_timeout_issue

minion connection timeout is too small
Merge pull request #10361 from johnnoone/jinja-filter

add sequence filter for jinja
management_host should be optional
Merge pull request #10365 from cachedout/footer

Update the footer to align with new .com site.
Merge pull request #10370 from techhat/azure

management_host should be optional
Merge pull request #10368 from terminalmage/10087

Log 'zfs help' output at debug
Revert "add sequence filter for jinja"

This reverts commit cbe04b82317dddecf5fb2e2bbfcc712aa34b8876.